diff --git a/java/code/src/com/redhat/rhn/common/ErrorReportingStrategies.java b/java/code/src/com/redhat/rhn/common/ErrorReportingStrategies.java
index a2dc4d9abd2a..fb3787fb2adf 100644
--- a/java/code/src/com/redhat/rhn/common/ErrorReportingStrategies.java
+++ b/java/code/src/com/redhat/rhn/common/ErrorReportingStrategies.java
@@ -40,7 +40,7 @@ private ErrorReportingStrategies() {
      * @return Supplier of RhnRuntimeException that logs the message and throw the exception
      */
     public static Supplier<RhnRuntimeException> raiseAndLog(Object obj, String message) {
-        Logger logger = OBJ_LOGGER.computeIfAbsent(obj, (key) -> LogManager.getLogger(obj.getClass().getName()));
+        Logger logger = OBJ_LOGGER.computeIfAbsent(obj, key -> LogManager.getLogger(obj.getClass().getName()));
         return () -> {
             logger.error(message);
             return new RhnRuntimeException(message);
diff --git a/java/code/src/com/redhat/rhn/frontend/xmlrpc/proxy/ProxyHandler.java b/java/code/src/com/redhat/rhn/frontend/xmlrpc/proxy/ProxyHandler.java
index a77397f8c098..d96099dfb2ae 100644
--- a/java/code/src/com/redhat/rhn/frontend/xmlrpc/proxy/ProxyHandler.java
+++ b/java/code/src/com/redhat/rhn/frontend/xmlrpc/proxy/ProxyHandler.java
@@ -24,7 +24,6 @@
 import com.redhat.rhn.domain.user.User;
 import com.redhat.rhn.frontend.dto.SystemOverview;
 import com.redhat.rhn.frontend.xmlrpc.BaseHandler;
-import com.redhat.rhn.frontend.xmlrpc.IOFaultException;
 import com.redhat.rhn.frontend.xmlrpc.InvalidParameterException;
 import com.redhat.rhn.frontend.xmlrpc.InvalidProxyVersionException;
 import com.redhat.rhn.frontend.xmlrpc.MethodInvalidParamException;
@@ -34,7 +33,6 @@
 import com.redhat.rhn.frontend.xmlrpc.ProxyNotActivatedException;
 import com.redhat.rhn.frontend.xmlrpc.ProxySystemIsSatelliteException;
 import com.redhat.rhn.frontend.xmlrpc.SSLCertFaultException;
-import com.redhat.rhn.frontend.xmlrpc.SystemIdInstantiationException;
 import com.redhat.rhn.frontend.xmlrpc.system.XmlRpcSystemHelper;
 import com.redhat.rhn.manager.entitlement.EntitlementManager;
 import com.redhat.rhn.manager.system.SystemManager;
@@ -48,7 +46,6 @@
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -297,14 +294,6 @@ public byte[] containerConfig(User loggedInUser, String proxyName, Integer proxy
                     maxCache.longValue(), email, rootCA, intermediateCAs, proxyCrtKey, null, null, null,
                     new SSLCertManager());
         }
-        catch (InstantiationException e) {
-            LOG.error("Failed to generate proxy system id", e);
-            throw new SystemIdInstantiationException();
-        }
-        catch (IOException e) {
-            LOG.error("Failed to generate container config", e);
-            throw new IOFaultException(e);
-        }
         catch (SSLCertGenerationException e) {
             LOG.error("Failed to generate SSL certificate", e);
             throw new SSLCertFaultException(e.getMessage());
@@ -369,14 +358,6 @@ public byte[] containerConfig(User loggedInUser, String proxyName, Integer proxy
                     maxCache.longValue(), email, null, List.of(), null, caCrtKey, caPassword, certData,
                     new SSLCertManager());
         }
-        catch (InstantiationException e) {
-            LOG.error("Failed to generate proxy system id", e);
-            throw new SystemIdInstantiationException();
-        }
-        catch (IOException e) {
-            LOG.error("Failed to generate container config", e);
-            throw new IOFaultException(e);
-        }
         catch (SSLCertGenerationException e) {
             LOG.error("Failed to generate SSL certificate", e);
             throw new SSLCertFaultException(e.getMessage());
diff --git a/java/code/src/com/redhat/rhn/manager/system/SystemManager.java b/java/code/src/com/redhat/rhn/manager/system/SystemManager.java
index 392d0cf6eab7..a421a4ebffa2 100644
--- a/java/code/src/com/redhat/rhn/manager/system/SystemManager.java
+++ b/java/code/src/com/redhat/rhn/manager/system/SystemManager.java
@@ -145,7 +145,6 @@
 import org.apache.logging.log4j.Logger;
 import org.hibernate.Session;
 
-import java.io.IOException;
 import java.net.IDN;
 import java.security.SecureRandom;
 import java.sql.Date;
@@ -2155,7 +2154,7 @@ public byte[] createProxyContainerConfig(User user, String proxyName, Integer pr
                                              SSLCertPair proxyCertKey,
                                              SSLCertPair caPair, String caPassword, SSLCertData certData,
                                              SSLCertManager certManager)
-            throws IOException, InstantiationException, SSLCertGenerationException {
+            throws SSLCertGenerationException {
 
         return new ProxyContainerConfigCreate().create(
                 saltApi, systemEntitlementManager, user, server, proxyName, proxyPort, maxCache, email,
diff --git a/java/code/src/com/redhat/rhn/manager/system/proxycontainerconfig/ProxyContainerConfigCreateAcquisitor.java b/java/code/src/com/redhat/rhn/manager/system/proxycontainerconfig/ProxyContainerConfigCreateAcquisitor.java
index f079b07750a1..eef88b0a321d 100644
--- a/java/code/src/com/redhat/rhn/manager/system/proxycontainerconfig/ProxyContainerConfigCreateAcquisitor.java
+++ b/java/code/src/com/redhat/rhn/manager/system/proxycontainerconfig/ProxyContainerConfigCreateAcquisitor.java
@@ -39,8 +39,6 @@
 import com.suse.manager.webui.services.impl.runner.MgrUtilRunner;
 
 import org.apache.commons.lang3.RandomStringUtils;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
 
 import java.security.SecureRandom;
 import java.util.HashSet;
@@ -53,7 +51,6 @@
  * Acquires and validates all necessary data for the Proxy container configuration creation files.
  */
 public class ProxyContainerConfigCreateAcquisitor implements ProxyContainerConfigCreateContextHandler {
-    private static final Logger LOG = LogManager.getLogger(SystemManagerUtils.class);
 
     private SaltApi saltApi;
 
diff --git a/java/code/src/com/redhat/rhn/manager/system/proxycontainerconfig/ProxyContainerConfigCreateContext.java b/java/code/src/com/redhat/rhn/manager/system/proxycontainerconfig/ProxyContainerConfigCreateContext.java
index a0bd2ba529a9..ecee14e5db34 100644
--- a/java/code/src/com/redhat/rhn/manager/system/proxycontainerconfig/ProxyContainerConfigCreateContext.java
+++ b/java/code/src/com/redhat/rhn/manager/system/proxycontainerconfig/ProxyContainerConfigCreateContext.java
@@ -25,9 +25,6 @@
 import com.suse.manager.webui.services.iface.SaltApi;
 import com.suse.manager.webui.services.impl.runner.MgrUtilRunner;
 
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
-
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -37,8 +34,6 @@
  */
 public class ProxyContainerConfigCreateContext {
 
-    private static final Logger LOG = LogManager.getLogger(ProxyContainerConfigCreateContext.class);
-
     // provided
     private final SaltApi saltApi;
     private final User user;
diff --git a/java/code/src/com/suse/manager/webui/controllers/ProxyController.java b/java/code/src/com/suse/manager/webui/controllers/ProxyController.java
index 7e2ed974a063..64ef593411f8 100644
--- a/java/code/src/com/suse/manager/webui/controllers/ProxyController.java
+++ b/java/code/src/com/suse/manager/webui/controllers/ProxyController.java
@@ -41,7 +41,6 @@
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
-import java.io.IOException;
 import java.time.LocalDateTime;
 import java.util.HashMap;
 import java.util.Map;
@@ -126,11 +125,6 @@ public String generateContainerConfig(Request request, Response response, User u
 
             return SparkApplicationHelper.json(response, filename + "-config.tar.gz");
         }
-        catch (IOException | InstantiationException e) {
-            LOG.error("Failed to generate proxy container configuration", e);
-            return jsonError(response, HttpStatus.SC_INTERNAL_SERVER_ERROR,
-                    "Failed to generate proxy container configuration");
-        }
         catch (SystemsExistException e) {
             String msg = String.format("Cannot create proxy as an existing system has FQDN '%s'", data.getProxyFqdn());
             LOG.error(msg);