Additional info:



Does error BEA-001153 occur independently of DBAppender? 

Answer, no this error never occurred before adding the DBAppender.

The Weblogic datasource settings:

<?xml version='1.0' encoding='UTF-8'?>
<jdbc-data-source xmlns="http://xmlns.oracle.com/weblogic/jdbc-data-source" xmlns:sec="http://xmlns.oracle.com/weblogic/security" xmlns:wls="http://xmlns.oracle.com/weblogic/security/wls" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.oracle.com/weblogic/jdbc-data-source http://xmlns.oracle.com/weblogic/jdbc-data-source/1.0/jdbc-data-source.xsd">
  <name>UCS_DS</name>
  <jdbc-driver-params>
    <url>jdbc:oracle:thin:@localhost:1521:XE</url>
    <driver-name>oracle.jdbc.xa.client.OracleXADataSource</driver-name>
    <properties>
      <property>
        <name>ecsenv</name>
        <value>dev</value>
      </property>
      <property>
        <name>user</name>
        <value>logback</value>
      </property>
    </properties>
    <password-encrypted>{AES}vOWoJsosey0BS7/WBFkxTQ3tkUHMrwCkS6hoV/sh4SQ=</password-encrypted>
    <use-xa-data-source-interface>true</use-xa-data-source-interface>
  </jdbc-driver-params>
  <jdbc-connection-pool-params>
    <initial-capacity>6</initial-capacity>
    <max-capacity>40</max-capacity>
    <capacity-increment>2</capacity-increment>
    <shrink-frequency-seconds>900</shrink-frequency-seconds>
    <highest-num-waiters>2147483647</highest-num-waiters>
    <connection-creation-retry-frequency-seconds>0</connection-creation-retry-frequency-seconds>
    <test-frequency-seconds>120</test-frequency-seconds>
    <ignore-in-use-connections-enabled>true</ignore-in-use-connections-enabled>
    <inactive-connection-timeout-seconds>60</inactive-connection-timeout-seconds>
    <test-table-name>ucsproperties</test-table-name>
    <login-delay-seconds>6</login-delay-seconds>
    <init-sql>ucsproperties</init-sql>
    <statement-cache-size>512</statement-cache-size>
    <statement-cache-type>LRU</statement-cache-type>
    <seconds-to-trust-an-idle-pool-connection>10</seconds-to-trust-an-idle-pool-connection>
    <statement-timeout>60</statement-timeout>
    <jdbc-xa-debug-level>10</jdbc-xa-debug-level>
    <pinned-to-thread>false</pinned-to-thread>
    <wrap-types>true</wrap-types>
  </jdbc-connection-pool-params>
  <jdbc-data-source-params>
    <jndi-name>UCS_DS</jndi-name>
    <row-prefetch>false</row-prefetch>
    <stream-chunk-size>256</stream-chunk-size>
    <global-transactions-protocol>TwoPhaseCommit</global-transactions-protocol>
    <keep-conn-after-local-tx>false</keep-conn-after-local-tx>
  </jdbc-data-source-params>
  <jdbc-xa-params>
    <keep-xa-conn-till-tx-complete>true</keep-xa-conn-till-tx-complete>
    <xa-transaction-timeout>0</xa-transaction-timeout>
    <xa-retry-duration-seconds>0</xa-retry-duration-seconds>
    <xa-retry-interval-seconds>60</xa-retry-interval-seconds>
  </jdbc-xa-params>
</jdbc-data-source>