[xwiki-users] Tomcat-Xwiki

My Configuration MAC OS X 10.5.7 Tomcat 5.5 MySQL XWIKI 1.8.3 I'm trying to import a XAR file of approx 6.2 MB I had a heap-size error, but changed the tomcat startupscript as follows #!/bin/sh export CATALINA_HOME=/usr/local/apache-tomcat-5.5.27 export JAVA_HOME=/usr export JAVA_OPTS=-Xmx512m $CATALINA_HOME/bin/startup.sh Now I get following error? A problem occurred while trying to process your request. Please contact the webmaster if this happens again. Detailed information: Error number 3232 in 3: Exception while saving attachment 20090516.xar of document XWiki.Import Wrapped Exception: Could not execute JDBC batch update com.xpn.xwiki.XWikiException: Error number 3232 in 3: Exception while saving attachment 20090516.xar of document XWiki.Import Wrapped Exception: Could not execute JDBC batch update Any suggestions? Gerritjan