diff --git a/11/jdk/alpine/Dockerfile.releases.full b/11/jdk/alpine/Dockerfile.releases.full
index eacb30f1a..b0c388e9b 100644
--- a/11/jdk/alpine/Dockerfile.releases.full
+++ b/11/jdk/alpine/Dockerfile.releases.full
@@ -27,7 +27,8 @@ ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
 
 # fontconfig and ttf-dejavu added to support serverside image generation by Java programs
 # java-cacerts added to support adding CA certificates to the Java keystore
-RUN apk add --no-cache fontconfig java-cacerts libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
+# bash is required for the entrypoint script (s. https://github.com/adoptium/containers/issues/415)
+RUN apk add --no-cache fontconfig java-cacerts bash libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
     && rm -rf /var/cache/apk/*
 
 ENV JAVA_VERSION jdk-11.0.20+8
@@ -60,7 +61,7 @@ RUN echo Verifying install ... \
     && echo javac --version && javac --version \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
 
 CMD ["jshell"]
diff --git a/11/jdk/alpine/entrypoint.sh b/11/jdk/alpine/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/11/jdk/alpine/entrypoint.sh
+++ b/11/jdk/alpine/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/11/jdk/centos/Dockerfile.releases.full b/11/jdk/centos/Dockerfile.releases.full
index 95002f9ae..4a897e5e9 100644
--- a/11/jdk/centos/Dockerfile.releases.full
+++ b/11/jdk/centos/Dockerfile.releases.full
@@ -66,7 +66,7 @@ RUN echo Verifying install ... \
     && echo javac --version && javac --version \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
 
 CMD ["jshell"]
diff --git a/11/jdk/centos/entrypoint.sh b/11/jdk/centos/entrypoint.sh
index f2f6b5ffc..4d352111b 100755
--- a/11/jdk/centos/entrypoint.sh
+++ b/11/jdk/centos/entrypoint.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/11/jdk/ubi/ubi9-minimal/Dockerfile.releases.full b/11/jdk/ubi/ubi9-minimal/Dockerfile.releases.full
index 3a9931c17..bdfa9b621 100644
--- a/11/jdk/ubi/ubi9-minimal/Dockerfile.releases.full
+++ b/11/jdk/ubi/ubi9-minimal/Dockerfile.releases.full
@@ -70,7 +70,7 @@ RUN echo Verifying install ... \
     && echo javac --version && javac --version \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
 
 CMD ["jshell"]
diff --git a/11/jdk/ubi/ubi9-minimal/entrypoint.sh b/11/jdk/ubi/ubi9-minimal/entrypoint.sh
index f2f6b5ffc..4d352111b 100755
--- a/11/jdk/ubi/ubi9-minimal/entrypoint.sh
+++ b/11/jdk/ubi/ubi9-minimal/entrypoint.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/11/jdk/ubuntu/focal/Dockerfile.releases.full b/11/jdk/ubuntu/focal/Dockerfile.releases.full
index d46cae05c..a0c9f5f73 100644
--- a/11/jdk/ubuntu/focal/Dockerfile.releases.full
+++ b/11/jdk/ubuntu/focal/Dockerfile.releases.full
@@ -83,7 +83,7 @@ RUN echo Verifying install ... \
     && echo javac --version && javac --version \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
 
 CMD ["jshell"]
diff --git a/11/jdk/ubuntu/focal/entrypoint.sh b/11/jdk/ubuntu/focal/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/11/jdk/ubuntu/focal/entrypoint.sh
+++ b/11/jdk/ubuntu/focal/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/11/jdk/ubuntu/jammy/Dockerfile.releases.full b/11/jdk/ubuntu/jammy/Dockerfile.releases.full
index 4a9d7c5e5..c2e9e4527 100644
--- a/11/jdk/ubuntu/jammy/Dockerfile.releases.full
+++ b/11/jdk/ubuntu/jammy/Dockerfile.releases.full
@@ -83,7 +83,7 @@ RUN echo Verifying install ... \
     && echo javac --version && javac --version \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
 
 CMD ["jshell"]
diff --git a/11/jdk/ubuntu/jammy/entrypoint.sh b/11/jdk/ubuntu/jammy/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/11/jdk/ubuntu/jammy/entrypoint.sh
+++ b/11/jdk/ubuntu/jammy/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/11/jre/alpine/Dockerfile.releases.full b/11/jre/alpine/Dockerfile.releases.full
index 0b2ab94ae..cccef6cfb 100644
--- a/11/jre/alpine/Dockerfile.releases.full
+++ b/11/jre/alpine/Dockerfile.releases.full
@@ -27,7 +27,8 @@ ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
 
 # fontconfig and ttf-dejavu added to support serverside image generation by Java programs
 # java-cacerts added to support adding CA certificates to the Java keystore
-RUN apk add --no-cache fontconfig java-cacerts libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
+# bash is required for the entrypoint script (s. https://github.com/adoptium/containers/issues/415)
+RUN apk add --no-cache fontconfig java-cacerts bash libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
     && rm -rf /var/cache/apk/*
 
 ENV JAVA_VERSION jdk-11.0.20+8
@@ -59,5 +60,5 @@ RUN echo Verifying install ... \
     && fileEncoding="$(echo 'System.out.println(System.getProperty("file.encoding"))' | jshell -s -)"; [ "$fileEncoding" = 'UTF-8' ]; rm -rf ~/.java \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/11/jre/alpine/entrypoint.sh b/11/jre/alpine/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/11/jre/alpine/entrypoint.sh
+++ b/11/jre/alpine/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/11/jre/centos/Dockerfile.releases.full b/11/jre/centos/Dockerfile.releases.full
index 9d5518459..f37b142d6 100644
--- a/11/jre/centos/Dockerfile.releases.full
+++ b/11/jre/centos/Dockerfile.releases.full
@@ -65,5 +65,5 @@ RUN echo Verifying install ... \
     && fileEncoding="$(echo 'System.out.println(System.getProperty("file.encoding"))' | jshell -s -)"; [ "$fileEncoding" = 'UTF-8' ]; rm -rf ~/.java \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/11/jre/centos/entrypoint.sh b/11/jre/centos/entrypoint.sh
index f2f6b5ffc..4d352111b 100755
--- a/11/jre/centos/entrypoint.sh
+++ b/11/jre/centos/entrypoint.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/11/jre/ubi/ubi9-minimal/Dockerfile.releases.full b/11/jre/ubi/ubi9-minimal/Dockerfile.releases.full
index e9a2e0115..dc7fb828f 100644
--- a/11/jre/ubi/ubi9-minimal/Dockerfile.releases.full
+++ b/11/jre/ubi/ubi9-minimal/Dockerfile.releases.full
@@ -69,5 +69,5 @@ RUN echo Verifying install ... \
     && fileEncoding="$(echo 'System.out.println(System.getProperty("file.encoding"))' | jshell -s -)"; [ "$fileEncoding" = 'UTF-8' ]; rm -rf ~/.java \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/11/jre/ubi/ubi9-minimal/entrypoint.sh b/11/jre/ubi/ubi9-minimal/entrypoint.sh
index f2f6b5ffc..4d352111b 100755
--- a/11/jre/ubi/ubi9-minimal/entrypoint.sh
+++ b/11/jre/ubi/ubi9-minimal/entrypoint.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/11/jre/ubuntu/focal/Dockerfile.releases.full b/11/jre/ubuntu/focal/Dockerfile.releases.full
index 545a4d25c..c2946e557 100644
--- a/11/jre/ubuntu/focal/Dockerfile.releases.full
+++ b/11/jre/ubuntu/focal/Dockerfile.releases.full
@@ -82,5 +82,5 @@ RUN echo Verifying install ... \
     && fileEncoding="$(echo 'System.out.println(System.getProperty("file.encoding"))' | jshell -s -)"; [ "$fileEncoding" = 'UTF-8' ]; rm -rf ~/.java \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/11/jre/ubuntu/focal/entrypoint.sh b/11/jre/ubuntu/focal/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/11/jre/ubuntu/focal/entrypoint.sh
+++ b/11/jre/ubuntu/focal/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/11/jre/ubuntu/jammy/Dockerfile.releases.full b/11/jre/ubuntu/jammy/Dockerfile.releases.full
index 8f1b1b15c..6edbbe46b 100644
--- a/11/jre/ubuntu/jammy/Dockerfile.releases.full
+++ b/11/jre/ubuntu/jammy/Dockerfile.releases.full
@@ -82,5 +82,5 @@ RUN echo Verifying install ... \
     && fileEncoding="$(echo 'System.out.println(System.getProperty("file.encoding"))' | jshell -s -)"; [ "$fileEncoding" = 'UTF-8' ]; rm -rf ~/.java \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/11/jre/ubuntu/jammy/entrypoint.sh b/11/jre/ubuntu/jammy/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/11/jre/ubuntu/jammy/entrypoint.sh
+++ b/11/jre/ubuntu/jammy/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/17/jdk/alpine/Dockerfile.releases.full b/17/jdk/alpine/Dockerfile.releases.full
index 0618509bd..08aec384e 100644
--- a/17/jdk/alpine/Dockerfile.releases.full
+++ b/17/jdk/alpine/Dockerfile.releases.full
@@ -27,7 +27,8 @@ ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
 
 # fontconfig and ttf-dejavu added to support serverside image generation by Java programs
 # java-cacerts added to support adding CA certificates to the Java keystore
-RUN apk add --no-cache fontconfig java-cacerts libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
+# bash is required for the entrypoint script (s. https://github.com/adoptium/containers/issues/415)
+RUN apk add --no-cache fontconfig java-cacerts bash libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
     && rm -rf /var/cache/apk/*
 
 ENV JAVA_VERSION jdk-17.0.8+7
@@ -60,7 +61,7 @@ RUN echo Verifying install ... \
     && echo javac --version && javac --version \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
 
 CMD ["jshell"]
diff --git a/17/jdk/alpine/entrypoint.sh b/17/jdk/alpine/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/17/jdk/alpine/entrypoint.sh
+++ b/17/jdk/alpine/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/17/jdk/centos/Dockerfile.releases.full b/17/jdk/centos/Dockerfile.releases.full
index f80e36bfe..d40d52932 100644
--- a/17/jdk/centos/Dockerfile.releases.full
+++ b/17/jdk/centos/Dockerfile.releases.full
@@ -66,7 +66,7 @@ RUN echo Verifying install ... \
     && echo javac --version && javac --version \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
 
 CMD ["jshell"]
diff --git a/17/jdk/centos/entrypoint.sh b/17/jdk/centos/entrypoint.sh
index f2f6b5ffc..4d352111b 100755
--- a/17/jdk/centos/entrypoint.sh
+++ b/17/jdk/centos/entrypoint.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/17/jdk/ubi/ubi9-minimal/Dockerfile.releases.full b/17/jdk/ubi/ubi9-minimal/Dockerfile.releases.full
index 0e06f902a..3e85bdb88 100644
--- a/17/jdk/ubi/ubi9-minimal/Dockerfile.releases.full
+++ b/17/jdk/ubi/ubi9-minimal/Dockerfile.releases.full
@@ -70,7 +70,7 @@ RUN echo Verifying install ... \
     && echo javac --version && javac --version \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
 
 CMD ["jshell"]
diff --git a/17/jdk/ubi/ubi9-minimal/entrypoint.sh b/17/jdk/ubi/ubi9-minimal/entrypoint.sh
index f2f6b5ffc..4d352111b 100755
--- a/17/jdk/ubi/ubi9-minimal/entrypoint.sh
+++ b/17/jdk/ubi/ubi9-minimal/entrypoint.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/17/jdk/ubuntu/focal/Dockerfile.releases.full b/17/jdk/ubuntu/focal/Dockerfile.releases.full
index 4b3d678d4..fc8795712 100644
--- a/17/jdk/ubuntu/focal/Dockerfile.releases.full
+++ b/17/jdk/ubuntu/focal/Dockerfile.releases.full
@@ -83,7 +83,7 @@ RUN echo Verifying install ... \
     && echo javac --version && javac --version \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
 
 CMD ["jshell"]
diff --git a/17/jdk/ubuntu/focal/entrypoint.sh b/17/jdk/ubuntu/focal/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/17/jdk/ubuntu/focal/entrypoint.sh
+++ b/17/jdk/ubuntu/focal/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/17/jdk/ubuntu/jammy/Dockerfile.releases.full b/17/jdk/ubuntu/jammy/Dockerfile.releases.full
index cac02febe..05b2404fe 100644
--- a/17/jdk/ubuntu/jammy/Dockerfile.releases.full
+++ b/17/jdk/ubuntu/jammy/Dockerfile.releases.full
@@ -83,7 +83,7 @@ RUN echo Verifying install ... \
     && echo javac --version && javac --version \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
 
 CMD ["jshell"]
diff --git a/17/jdk/ubuntu/jammy/entrypoint.sh b/17/jdk/ubuntu/jammy/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/17/jdk/ubuntu/jammy/entrypoint.sh
+++ b/17/jdk/ubuntu/jammy/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/17/jre/alpine/Dockerfile.releases.full b/17/jre/alpine/Dockerfile.releases.full
index 9f14b79a3..adc92e16b 100644
--- a/17/jre/alpine/Dockerfile.releases.full
+++ b/17/jre/alpine/Dockerfile.releases.full
@@ -27,7 +27,8 @@ ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
 
 # fontconfig and ttf-dejavu added to support serverside image generation by Java programs
 # java-cacerts added to support adding CA certificates to the Java keystore
-RUN apk add --no-cache fontconfig java-cacerts libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
+# bash is required for the entrypoint script (s. https://github.com/adoptium/containers/issues/415)
+RUN apk add --no-cache fontconfig java-cacerts bash libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
     && rm -rf /var/cache/apk/*
 
 ENV JAVA_VERSION jdk-17.0.8+7
@@ -59,5 +60,5 @@ RUN echo Verifying install ... \
     && fileEncoding="$(echo 'System.out.println(System.getProperty("file.encoding"))' | jshell -s -)"; [ "$fileEncoding" = 'UTF-8' ]; rm -rf ~/.java \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/17/jre/alpine/entrypoint.sh b/17/jre/alpine/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/17/jre/alpine/entrypoint.sh
+++ b/17/jre/alpine/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/17/jre/centos/Dockerfile.releases.full b/17/jre/centos/Dockerfile.releases.full
index 1670a996f..96f4b7ac8 100644
--- a/17/jre/centos/Dockerfile.releases.full
+++ b/17/jre/centos/Dockerfile.releases.full
@@ -65,5 +65,5 @@ RUN echo Verifying install ... \
     && fileEncoding="$(echo 'System.out.println(System.getProperty("file.encoding"))' | jshell -s -)"; [ "$fileEncoding" = 'UTF-8' ]; rm -rf ~/.java \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/17/jre/centos/entrypoint.sh b/17/jre/centos/entrypoint.sh
index f2f6b5ffc..4d352111b 100755
--- a/17/jre/centos/entrypoint.sh
+++ b/17/jre/centos/entrypoint.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/17/jre/ubi/ubi9-minimal/Dockerfile.releases.full b/17/jre/ubi/ubi9-minimal/Dockerfile.releases.full
index c04a5d31c..01963789a 100644
--- a/17/jre/ubi/ubi9-minimal/Dockerfile.releases.full
+++ b/17/jre/ubi/ubi9-minimal/Dockerfile.releases.full
@@ -69,5 +69,5 @@ RUN echo Verifying install ... \
     && fileEncoding="$(echo 'System.out.println(System.getProperty("file.encoding"))' | jshell -s -)"; [ "$fileEncoding" = 'UTF-8' ]; rm -rf ~/.java \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/17/jre/ubi/ubi9-minimal/entrypoint.sh b/17/jre/ubi/ubi9-minimal/entrypoint.sh
index f2f6b5ffc..4d352111b 100755
--- a/17/jre/ubi/ubi9-minimal/entrypoint.sh
+++ b/17/jre/ubi/ubi9-minimal/entrypoint.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/17/jre/ubuntu/focal/Dockerfile.releases.full b/17/jre/ubuntu/focal/Dockerfile.releases.full
index 6af482251..ae3ebe670 100644
--- a/17/jre/ubuntu/focal/Dockerfile.releases.full
+++ b/17/jre/ubuntu/focal/Dockerfile.releases.full
@@ -82,5 +82,5 @@ RUN echo Verifying install ... \
     && fileEncoding="$(echo 'System.out.println(System.getProperty("file.encoding"))' | jshell -s -)"; [ "$fileEncoding" = 'UTF-8' ]; rm -rf ~/.java \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/17/jre/ubuntu/focal/entrypoint.sh b/17/jre/ubuntu/focal/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/17/jre/ubuntu/focal/entrypoint.sh
+++ b/17/jre/ubuntu/focal/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/17/jre/ubuntu/jammy/Dockerfile.releases.full b/17/jre/ubuntu/jammy/Dockerfile.releases.full
index 54fa15775..c0bd36e77 100644
--- a/17/jre/ubuntu/jammy/Dockerfile.releases.full
+++ b/17/jre/ubuntu/jammy/Dockerfile.releases.full
@@ -82,5 +82,5 @@ RUN echo Verifying install ... \
     && fileEncoding="$(echo 'System.out.println(System.getProperty("file.encoding"))' | jshell -s -)"; [ "$fileEncoding" = 'UTF-8' ]; rm -rf ~/.java \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/17/jre/ubuntu/jammy/entrypoint.sh b/17/jre/ubuntu/jammy/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/17/jre/ubuntu/jammy/entrypoint.sh
+++ b/17/jre/ubuntu/jammy/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/20/jdk/alpine/Dockerfile.releases.full b/20/jdk/alpine/Dockerfile.releases.full
index 20c6d81be..f2805e8e6 100644
--- a/20/jdk/alpine/Dockerfile.releases.full
+++ b/20/jdk/alpine/Dockerfile.releases.full
@@ -27,7 +27,8 @@ ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
 
 # fontconfig and ttf-dejavu added to support serverside image generation by Java programs
 # java-cacerts added to support adding CA certificates to the Java keystore
-RUN apk add --no-cache fontconfig java-cacerts libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
+# bash is required for the entrypoint script (s. https://github.com/adoptium/containers/issues/415)
+RUN apk add --no-cache fontconfig java-cacerts bash libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
     && rm -rf /var/cache/apk/*
 
 ENV JAVA_VERSION jdk-20.0.2+9
@@ -60,7 +61,7 @@ RUN echo Verifying install ... \
     && echo javac --version && javac --version \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
 
 CMD ["jshell"]
diff --git a/20/jdk/alpine/entrypoint.sh b/20/jdk/alpine/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/20/jdk/alpine/entrypoint.sh
+++ b/20/jdk/alpine/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/20/jdk/ubi/ubi9-minimal/Dockerfile.releases.full b/20/jdk/ubi/ubi9-minimal/Dockerfile.releases.full
index c810d7f70..43adf3672 100644
--- a/20/jdk/ubi/ubi9-minimal/Dockerfile.releases.full
+++ b/20/jdk/ubi/ubi9-minimal/Dockerfile.releases.full
@@ -62,7 +62,7 @@ RUN echo Verifying install ... \
     && echo javac --version && javac --version \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
 
 CMD ["jshell"]
diff --git a/20/jdk/ubi/ubi9-minimal/entrypoint.sh b/20/jdk/ubi/ubi9-minimal/entrypoint.sh
index f2f6b5ffc..4d352111b 100755
--- a/20/jdk/ubi/ubi9-minimal/entrypoint.sh
+++ b/20/jdk/ubi/ubi9-minimal/entrypoint.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/20/jdk/ubuntu/jammy/Dockerfile.releases.full b/20/jdk/ubuntu/jammy/Dockerfile.releases.full
index 2f26d9845..51cee6116 100644
--- a/20/jdk/ubuntu/jammy/Dockerfile.releases.full
+++ b/20/jdk/ubuntu/jammy/Dockerfile.releases.full
@@ -71,7 +71,7 @@ RUN echo Verifying install ... \
     && echo javac --version && javac --version \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
 
 CMD ["jshell"]
diff --git a/20/jdk/ubuntu/jammy/entrypoint.sh b/20/jdk/ubuntu/jammy/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/20/jdk/ubuntu/jammy/entrypoint.sh
+++ b/20/jdk/ubuntu/jammy/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/20/jre/alpine/Dockerfile.releases.full b/20/jre/alpine/Dockerfile.releases.full
index 43b8a2c8e..2523f05c3 100644
--- a/20/jre/alpine/Dockerfile.releases.full
+++ b/20/jre/alpine/Dockerfile.releases.full
@@ -27,7 +27,8 @@ ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
 
 # fontconfig and ttf-dejavu added to support serverside image generation by Java programs
 # java-cacerts added to support adding CA certificates to the Java keystore
-RUN apk add --no-cache fontconfig java-cacerts libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
+# bash is required for the entrypoint script (s. https://github.com/adoptium/containers/issues/415)
+RUN apk add --no-cache fontconfig java-cacerts bash libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
     && rm -rf /var/cache/apk/*
 
 ENV JAVA_VERSION jdk-20.0.2+9
@@ -59,5 +60,5 @@ RUN echo Verifying install ... \
     && fileEncoding="$(echo 'System.out.println(System.getProperty("file.encoding"))' | jshell -s -)"; [ "$fileEncoding" = 'UTF-8' ]; rm -rf ~/.java \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/20/jre/alpine/entrypoint.sh b/20/jre/alpine/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/20/jre/alpine/entrypoint.sh
+++ b/20/jre/alpine/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/20/jre/ubi/ubi9-minimal/Dockerfile.releases.full b/20/jre/ubi/ubi9-minimal/Dockerfile.releases.full
index 69359af3e..5b5525a49 100644
--- a/20/jre/ubi/ubi9-minimal/Dockerfile.releases.full
+++ b/20/jre/ubi/ubi9-minimal/Dockerfile.releases.full
@@ -61,5 +61,5 @@ RUN echo Verifying install ... \
     && fileEncoding="$(echo 'System.out.println(System.getProperty("file.encoding"))' | jshell -s -)"; [ "$fileEncoding" = 'UTF-8' ]; rm -rf ~/.java \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/20/jre/ubi/ubi9-minimal/entrypoint.sh b/20/jre/ubi/ubi9-minimal/entrypoint.sh
index f2f6b5ffc..4d352111b 100755
--- a/20/jre/ubi/ubi9-minimal/entrypoint.sh
+++ b/20/jre/ubi/ubi9-minimal/entrypoint.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/20/jre/ubuntu/jammy/Dockerfile.releases.full b/20/jre/ubuntu/jammy/Dockerfile.releases.full
index 813c07ff1..09b52094f 100644
--- a/20/jre/ubuntu/jammy/Dockerfile.releases.full
+++ b/20/jre/ubuntu/jammy/Dockerfile.releases.full
@@ -70,5 +70,5 @@ RUN echo Verifying install ... \
     && fileEncoding="$(echo 'System.out.println(System.getProperty("file.encoding"))' | jshell -s -)"; [ "$fileEncoding" = 'UTF-8' ]; rm -rf ~/.java \
     && echo java --version && java --version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/20/jre/ubuntu/jammy/entrypoint.sh b/20/jre/ubuntu/jammy/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/20/jre/ubuntu/jammy/entrypoint.sh
+++ b/20/jre/ubuntu/jammy/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/8/jdk/alpine/Dockerfile.releases.full b/8/jdk/alpine/Dockerfile.releases.full
index 210da7269..b7782df07 100644
--- a/8/jdk/alpine/Dockerfile.releases.full
+++ b/8/jdk/alpine/Dockerfile.releases.full
@@ -27,7 +27,8 @@ ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
 
 # fontconfig and ttf-dejavu added to support serverside image generation by Java programs
 # java-cacerts added to support adding CA certificates to the Java keystore
-RUN apk add --no-cache fontconfig java-cacerts libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
+# bash is required for the entrypoint script (s. https://github.com/adoptium/containers/issues/415)
+RUN apk add --no-cache fontconfig java-cacerts bash libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
     && rm -rf /var/cache/apk/*
 
 ENV JAVA_VERSION jdk8u382-b05
@@ -59,5 +60,5 @@ RUN echo Verifying install ... \
     && echo javac -version && javac -version \
     && echo java -version && java -version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/8/jdk/alpine/entrypoint.sh b/8/jdk/alpine/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/8/jdk/alpine/entrypoint.sh
+++ b/8/jdk/alpine/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/8/jdk/centos/Dockerfile.releases.full b/8/jdk/centos/Dockerfile.releases.full
index 7e0b71d91..8709f65c1 100644
--- a/8/jdk/centos/Dockerfile.releases.full
+++ b/8/jdk/centos/Dockerfile.releases.full
@@ -65,5 +65,5 @@ RUN echo Verifying install ... \
     && echo javac -version && javac -version \
     && echo java -version && java -version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/8/jdk/centos/entrypoint.sh b/8/jdk/centos/entrypoint.sh
index f2f6b5ffc..4d352111b 100755
--- a/8/jdk/centos/entrypoint.sh
+++ b/8/jdk/centos/entrypoint.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/8/jdk/ubi/ubi9-minimal/Dockerfile.releases.full b/8/jdk/ubi/ubi9-minimal/Dockerfile.releases.full
index ca60450b8..d3a0e5f9e 100644
--- a/8/jdk/ubi/ubi9-minimal/Dockerfile.releases.full
+++ b/8/jdk/ubi/ubi9-minimal/Dockerfile.releases.full
@@ -65,5 +65,5 @@ RUN echo Verifying install ... \
     && echo javac -version && javac -version \
     && echo java -version && java -version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/8/jdk/ubi/ubi9-minimal/entrypoint.sh b/8/jdk/ubi/ubi9-minimal/entrypoint.sh
index f2f6b5ffc..4d352111b 100755
--- a/8/jdk/ubi/ubi9-minimal/entrypoint.sh
+++ b/8/jdk/ubi/ubi9-minimal/entrypoint.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/8/jdk/ubuntu/focal/Dockerfile.releases.full b/8/jdk/ubuntu/focal/Dockerfile.releases.full
index 5eeeeebf5..1bfb41074 100644
--- a/8/jdk/ubuntu/focal/Dockerfile.releases.full
+++ b/8/jdk/ubuntu/focal/Dockerfile.releases.full
@@ -79,5 +79,5 @@ RUN echo Verifying install ... \
     && echo javac -version && javac -version \
     && echo java -version && java -version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/8/jdk/ubuntu/focal/entrypoint.sh b/8/jdk/ubuntu/focal/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/8/jdk/ubuntu/focal/entrypoint.sh
+++ b/8/jdk/ubuntu/focal/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/8/jdk/ubuntu/jammy/Dockerfile.releases.full b/8/jdk/ubuntu/jammy/Dockerfile.releases.full
index ebc11cbac..4d4428e59 100644
--- a/8/jdk/ubuntu/jammy/Dockerfile.releases.full
+++ b/8/jdk/ubuntu/jammy/Dockerfile.releases.full
@@ -79,5 +79,5 @@ RUN echo Verifying install ... \
     && echo javac -version && javac -version \
     && echo java -version && java -version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/8/jdk/ubuntu/jammy/entrypoint.sh b/8/jdk/ubuntu/jammy/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/8/jdk/ubuntu/jammy/entrypoint.sh
+++ b/8/jdk/ubuntu/jammy/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/8/jre/alpine/Dockerfile.releases.full b/8/jre/alpine/Dockerfile.releases.full
index 5a53871b9..f7d4bc4c2 100644
--- a/8/jre/alpine/Dockerfile.releases.full
+++ b/8/jre/alpine/Dockerfile.releases.full
@@ -27,7 +27,8 @@ ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
 
 # fontconfig and ttf-dejavu added to support serverside image generation by Java programs
 # java-cacerts added to support adding CA certificates to the Java keystore
-RUN apk add --no-cache fontconfig java-cacerts libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
+# bash is required for the entrypoint script (s. https://github.com/adoptium/containers/issues/415)
+RUN apk add --no-cache fontconfig java-cacerts bash libretls musl-locales musl-locales-lang ttf-dejavu tzdata zlib \
     && rm -rf /var/cache/apk/*
 
 ENV JAVA_VERSION jdk8u382-b05
@@ -58,5 +59,5 @@ RUN set -eux; \
 RUN echo Verifying install ... \
     && echo java -version && java -version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/8/jre/alpine/entrypoint.sh b/8/jre/alpine/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/8/jre/alpine/entrypoint.sh
+++ b/8/jre/alpine/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/8/jre/centos/Dockerfile.releases.full b/8/jre/centos/Dockerfile.releases.full
index 63aafc038..634990b92 100644
--- a/8/jre/centos/Dockerfile.releases.full
+++ b/8/jre/centos/Dockerfile.releases.full
@@ -64,5 +64,5 @@ RUN set -eux; \
 RUN echo Verifying install ... \
     && echo java -version && java -version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/8/jre/centos/entrypoint.sh b/8/jre/centos/entrypoint.sh
index f2f6b5ffc..4d352111b 100755
--- a/8/jre/centos/entrypoint.sh
+++ b/8/jre/centos/entrypoint.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/8/jre/ubi/ubi9-minimal/Dockerfile.releases.full b/8/jre/ubi/ubi9-minimal/Dockerfile.releases.full
index 1b28d898a..beee3ff92 100644
--- a/8/jre/ubi/ubi9-minimal/Dockerfile.releases.full
+++ b/8/jre/ubi/ubi9-minimal/Dockerfile.releases.full
@@ -64,5 +64,5 @@ RUN set -eux; \
 RUN echo Verifying install ... \
     && echo java -version && java -version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/8/jre/ubi/ubi9-minimal/entrypoint.sh b/8/jre/ubi/ubi9-minimal/entrypoint.sh
index f2f6b5ffc..4d352111b 100755
--- a/8/jre/ubi/ubi9-minimal/entrypoint.sh
+++ b/8/jre/ubi/ubi9-minimal/entrypoint.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/8/jre/ubuntu/focal/Dockerfile.releases.full b/8/jre/ubuntu/focal/Dockerfile.releases.full
index 13f33a2e2..ddd2ada51 100644
--- a/8/jre/ubuntu/focal/Dockerfile.releases.full
+++ b/8/jre/ubuntu/focal/Dockerfile.releases.full
@@ -78,5 +78,5 @@ RUN set -eux; \
 RUN echo Verifying install ... \
     && echo java -version && java -version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/8/jre/ubuntu/focal/entrypoint.sh b/8/jre/ubuntu/focal/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/8/jre/ubuntu/focal/entrypoint.sh
+++ b/8/jre/ubuntu/focal/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e
 
diff --git a/8/jre/ubuntu/jammy/Dockerfile.releases.full b/8/jre/ubuntu/jammy/Dockerfile.releases.full
index ed1009277..5968190e1 100644
--- a/8/jre/ubuntu/jammy/Dockerfile.releases.full
+++ b/8/jre/ubuntu/jammy/Dockerfile.releases.full
@@ -78,5 +78,5 @@ RUN set -eux; \
 RUN echo Verifying install ... \
     && echo java -version && java -version \
     && echo Complete.
-COPY entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
+COPY entrypoint.sh /__cacert_entrypoint.sh
+ENTRYPOINT ["/__cacert_entrypoint.sh"]
diff --git a/8/jre/ubuntu/jammy/entrypoint.sh b/8/jre/ubuntu/jammy/entrypoint.sh
index 15bf4330d..dfcf546f9 100755
--- a/8/jre/ubuntu/jammy/entrypoint.sh
+++ b/8/jre/ubuntu/jammy/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Sheband needs to be `bash`, see https://github.com/adoptium/containers/issues/415 for details
 
 set -e