NullPointerException during failure logging

[amir-khassaia]

PostgreSQL JDBC driver 42.2.2

During connection failure the log message being generated together with slf4j/log4j 1.x results in a further NPE due to logger being null once the logging record was generated by postgres.

Caused by: java.lang.NullPointerException
at org.apache.log4j.CategoryKey.(CategoryKey.java:32)
at org.apache.log4j.Hierarchy.getLogger(Hierarchy.java:266)
at org.apache.log4j.Hierarchy.getLogger(Hierarchy.java:247)
at org.apache.log4j.LogManager.getLogger(LogManager.java:228)
at org.apache.log4j.Logger.getLogger(Logger.java:104)
at ...server.JavaToLog4JHandler.publish(JavaToLog4JHandler.java:26)
at java.util.logging.Logger.log(Logger.java:738)
at org.postgresql.core.v3.ConnectionFactoryImpl.log(ConnectionFactoryImpl.java:317)
at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:252)
at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:49)
at org.postgresql.jdbc.PgConnection.(PgConnection.java:195)
at org.postgresql.Driver.makeConnection(Driver.java:452)
at org.postgresql.Driver.connect(Driver.java:254)

[davecramer]

fixed in #1187