TaskComments cannot be updated or deleted using the REST API

[holgerhagen]

Thios is due to the following exception:

org.apache.ibatis.exceptions.PersistenceException:
Error updating database. Cause: org.postgresql.util.PSQLException: FEHLER: DELETE kann nicht in einer Read-Only-Transaktion ausgeführt werden
The error may exist in pro/taskana/task/internal/TaskCommentMapper.java (best guess)
The error may involve pro.taskana.task.internal.TaskCommentMapper.delete-Inline
The error occurred while setting parameters
SQL: DELETE FROM TASK_COMMENT WHERE ID = ?
Cause: org.postgresql.util.PSQLException: FEHLER: DELETE kann nicht in einer Read-Only-Transaktion ausgeführt werden
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30) ~[mybatis-3.5.13.jar:3.5.13]
at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:199) ~[mybatis-3.5.13.jar:3.5.13]
at org.apache.ibatis.session.defaults.DefaultSqlSession.delete(DefaultSqlSession.java:212) ~[mybatis-3.5.13.jar:3.5.13]
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
at org.apache.ibatis.session.SqlSessionManager$SqlSessionInterceptor.invoke(SqlSessionManager.java:348) ~[mybatis-3.5.13.jar:3.5.13]
at com.sun.proxy.$Proxy184.delete(Unknown Source) ~[?:?]
at org.apache.ibatis.session.SqlSessionManager.delete(SqlSessionManager.java:254) ~[mybatis-3.5.13.jar:3.5.13]