Troubleshoot and support > Install > WebSphere Commerce Developer fix pack issues
Troubleshoot: The installer is unable to update a .jar file
During fix pack installation a NullPointerException error is logged after an update to a .jar file fails.
Problem
During fix pack installation, you receive an error message indicating the installer is unable to update a .jar file.
Solution
Review the following log file:
- WCDE_INSTALL/logs/update/maintenance_name/updatetrace.log
Search this log file for an error message similar to the following message:
Installer has pro2006.09.25 12:04:30.328 EDT java.lang.NullPointerException at com.ibm.ws.install.ni.framework.io.ZIPFileSystem.copyZipEntry (ZIPFileSystem.java:2010) at com.ibm.ws.install.ni.framework.io.ZIPFileSystem.copyZipEntry (ZIPFileSystem.java:1995) at com.ibm.ws.install.ni.framework.io.ZIPFileSystem.copyThisEntryInThisSource ToThisZipFileWithThisName(ZIPFileSystem.java:989) at com.ibm.ws.install.ni.framework.io.ZIPFileSystem.applyZIPFileOperationsTo ZIPFile(ZIPFileSystem.java:2112) at com.ibm.ws.install.ni.framework.io.ZIPFileSystem.performAllZIPOperationsFor ThisTargetFile(ZIPFileSystem.java:88) at com.ibm.ws.install.ni.framework.fileactions.ZIPFileOperationController. performAllZIPOperations(ZIPFileOperationController.java:108) at com.ibm.commerce.install.updi.product.wc.WCUpdateComponent.execute (WCUpdateComponent.java:119)If you receive this error message, check if the path to the .pak file contains spaces. If there are spaces in the path, move the fix pack file to a path that does not contain spaces and complete the following steps:
- Rerun the Update Installer to uninstall the fix pack.
- Reapply the fix pack.