Non-functional connection to Informix db server

[arozehnal]

1.attempt
DB host: AIX 7.2 / Informix v.12
Client PC Windows 10, sqlline v.1.3, OpenJDK 1.16

2.attempt
DB host: AIX 7.2 / Informix v.12
Client:, AIX 7.2 / sqlline v.1.3, OpenJDK 1.17
For both attempts, the JDBC driver 3.50
(used for a long time by a corporate application)

=======================================
Result of both attempts the same, during connect list of Warning (no Error) But the connection is not established,
Sqlline without any response to other commands.

Warning: Database has transactions (state=01I01,code=0)
java.sql.SQLWarning: Database has transactions
at com.informix.util.IfxWarnMsg.getSQLWarning(IfxWarnMsg.java:125)
at com.informix.util.IfxWarnMsg.getSQLWarning(IfxWarnMsg.java:149)
at com.informix.jdbc.IfxSqliConnect.a(IfxSqliConnect.java:2408)
at com.informix.jdbc.IfxSqliConnect.t(IfxSqliConnect.java:4710)
at com.informix.jdbc.IfxSqliConnect.b(IfxSqliConnect.java:3257)
at com.informix.jdbc.IfxSqliConnect.a(IfxSqliConnect.java:3130)
at com.informix.jdbc.IfxSqli.c(IfxSqli.java:2987)
at com.informix.jdbc.IfxSqli.executeOpenDatabase(IfxSqli.java:2090)
at com.informix.jdbc.IfxSqliConnect.(IfxSqliConnect.java:1752)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.informix.jdbc.IfxDriver.connect(IfxDriver.java:254)
at sqlline.DatabaseConnection.connect(DatabaseConnection.java:135)
at sqlline.DatabaseConnection.getConnection(DatabaseConnection.java:192)
at sqlline.Commands.connect(Commands.java:1487)
at sqlline.Commands.connect(Commands.java:1361)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sqlline.ReflectiveCommandHandler.execute(ReflectiveCommandHandler.java:44)
at sqlline.SqlLine.dispatch(SqlLine.java:818)
at sqlline.SqlLine.initArgs(SqlLine.java:447)
at sqlline.SqlLine.begin(SqlLine.java:570)
at sqlline.SqlLine.start(SqlLine.java:269)
at sqlline.SqlLine.main(SqlLine.java:208)
Warning: Database selected (state=01I04,code=0)
java.sql.SQLWarning: Database selected
at com.informix.util.IfxWarnMsg.getSQLWarning(IfxWarnMsg.java:125)
at com.informix.util.IfxWarnMsg.getSQLWarning(IfxWarnMsg.java:149)
at com.informix.jdbc.IfxSqliConnect.a(IfxSqliConnect.java:2408)
at com.informix.jdbc.IfxSqliConnect.t(IfxSqliConnect.java:4716)
at com.informix.jdbc.IfxSqliConnect.b(IfxSqliConnect.java:3257)
at com.informix.jdbc.IfxSqliConnect.a(IfxSqliConnect.java:3130)
at com.informix.jdbc.IfxSqli.c(IfxSqli.java:2987)
at com.informix.jdbc.IfxSqli.executeOpenDatabase(IfxSqli.java:2090)
at com.informix.jdbc.IfxSqliConnect.(IfxSqliConnect.java:1752)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.informix.jdbc.IfxDriver.connect(IfxDriver.java:254)
at sqlline.DatabaseConnection.connect(DatabaseConnection.java:135)
at sqlline.DatabaseConnection.getConnection(DatabaseConnection.java:192)
at sqlline.Commands.connect(Commands.java:1487)
at sqlline.Commands.connect(Commands.java:1361)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sqlline.ReflectiveCommandHandler.execute(ReflectiveCommandHandler.java:44)
at sqlline.SqlLine.dispatch(SqlLine.java:818)
at sqlline.SqlLine.initArgs(SqlLine.java:447)
at sqlline.SqlLine.begin(SqlLine.java:570)
at sqlline.SqlLine.start(SqlLine.java:269)
at sqlline.SqlLine.main(SqlLine.java:208)
Warning: Database selected (state=01I04,code=0)
java.sql.SQLWarning: Database selected
Warning: Database selected (state=01I04,code=0)
java.sql.SQLWarning: Database selected
at com.informix.util.IfxWarnMsg.getSQLWarning(IfxWarnMsg.java:125)
at com.informix.util.IfxWarnMsg.getSQLWarning(IfxWarnMsg.java:149)
at com.informix.jdbc.IfxSqliConnect.a(IfxSqliConnect.java:2408)
at com.informix.jdbc.IfxSqliConnect.t(IfxSqliConnect.java:4716)
at com.informix.jdbc.IfxSqliConnect.b(IfxSqliConnect.java:3257)
at com.informix.jdbc.IfxSqliConnect.a(IfxSqliConnect.java:3130)
at com.informix.jdbc.IfxSqli.c(IfxSqli.java:2987)
at com.informix.jdbc.IfxSqli.executeOpenDatabase(IfxSqli.java:2090)
at com.informix.jdbc.IfxSqliConnect.(IfxSqliConnect.java:1752)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.informix.jdbc.IfxDriver.connect(IfxDriver.java:254)
at sqlline.DatabaseConnection.connect(DatabaseConnection.java:135)
at sqlline.DatabaseConnection.getConnection(DatabaseConnection.java:192)
at sqlline.Commands.connect(Commands.java:1487)
at sqlline.Commands.connect(Commands.java:1361)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sqlline.ReflectiveCommandHandler.execute(ReflectiveCommandHandler.java:44)
at sqlline.SqlLine.dispatch(SqlLine.java:818)
at sqlline.SqlLine.initArgs(SqlLine.java:447)
at sqlline.SqlLine.begin(SqlLine.java:570)
at sqlline.SqlLine.start(SqlLine.java:269)
at sqlline.SqlLine.main(SqlLine.java:208)
sqlline version 1.13.0-SNAPSHOT