[
http://jira.magnolia-cms.com/browse/MAGNOLIA-2487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=19855#action_19855
]
Gregory Joseph commented on MAGNOLIA-2487:
------------------------------------------
That wouldn't happen to a {{loadOnStartup}} kind of servlet now would it? If
so, it's simply not supported and will not be loaded on startup by Magnolia
anyway. If you'd really need it you'd have to add it to your web.xml instead.
> Empty servlet mapping causes error upon installation
> ----------------------------------------------------
>
> Key: MAGNOLIA-2487
> URL: http://jira.magnolia-cms.com/browse/MAGNOLIA-2487
> Project: Magnolia
> Issue Type: Bug
> Environment: ubuntu 8.04 x64, tomcat 5.5, java 1.5 x64
> Reporter: Brian Bowman
> Assignee: Gregory Joseph
> Priority: Minor
> Fix For: 4.0
>
>
> If a servlet mapping is left empty:
> <mappings>
> <mapping></mapping>
> </mappings>
> There is a null error upon module installation via the web interface and
> installation does not complete. The error message is:
> ERROR info.magnolia.module.ui.ModuleManagerWebUI
> ModuleManagerWebUI.java(run:124) 28.11.2008 14:08:11 Could not perform
> installation: null
> java.lang.NullPointerException
> at java.lang.StringBuffer.<init>(StringBuffer.java:104)
> at info.magnolia.cms.core.Path.getValidatedLabel(Path.java:347)
> at
> info.magnolia.module.delta.RegisterServletTask.execute(RegisterServletTask.java:80)
> at
> info.magnolia.module.delta.ArrayDelegateTask.execute(ArrayDelegateTask.java:117)
> at
> info.magnolia.module.delta.RegisterModuleServletsTask.execute(RegisterModuleServletsTask.java:63)
> at
> info.magnolia.module.ModuleManagerImpl.applyDeltas(ModuleManagerImpl.java:455)
> at
> info.magnolia.module.ModuleManagerImpl.installOrUpdateModule(ModuleManagerImpl.java:435)
> at info.magnolia.module.ModuleManagerImpl$1.exec(ModuleManagerImpl.java:262)
> at info.magnolia.context.MgnlContext.doInSystemContext(MgnlContext.java:411)
> at
> info.magnolia.module.ModuleManagerImpl.performInstallOrUpdate(ModuleManagerImpl.java:257)
> at
> info.magnolia.module.ui.ModuleManagerWebUI$2.run(ModuleManagerWebUI.java:122)
> at java.lang.Thread.run(Thread.java:595)
> ERROR info.magnolia.module.InstallContextImpl
> InstallContextImpl.java(error:83) 28.11.2008 14:08:11 > Could not perform
> installation: null
> java.lang.NullPointerException
> at java.lang.StringBuffer.<init>(StringBuffer.java:104)
> at info.magnolia.cms.core.Path.getValidatedLabel(Path.java:347)
> at
> info.magnolia.module.delta.RegisterServletTask.execute(RegisterServletTask.java:80)
> at
> info.magnolia.module.delta.ArrayDelegateTask.execute(ArrayDelegateTask.java:117)
> at
> info.magnolia.module.delta.RegisterModuleServletsTask.execute(RegisterModuleServletsTask.java:63)
> at
> info.magnolia.module.ModuleManagerImpl.applyDeltas(ModuleManagerImpl.java:455)
> at
> info.magnolia.module.ModuleManagerImpl.installOrUpdateModule(ModuleManagerImpl.java:435)
> at info.magnolia.module.ModuleManagerImpl$1.exec(ModuleManagerImpl.java:262)
> at info.magnolia.context.MgnlContext.doInSystemContext(MgnlContext.java:411)
> at
> info.magnolia.module.ModuleManagerImpl.performInstallOrUpdate(ModuleManagerImpl.java:257)
> at
> info.magnolia.module.ui.ModuleManagerWebUI$2.run(ModuleManagerWebUI.java:122)
> at java.lang.Thread.run(Thread.java:595)
> One fix for this is to add a null check in the execute() method of
> info.magnolia.module.delta.RegisterServletTask:
> if (pattern != null) {
> String mappingNodeName =
> Path.getUniqueLabel(mappingsNode, Path.getValidatedLabel(pattern));
> final Content mappingNode =
> mappingsNode.createContent(mappingNodeName, ItemType.CONTENTNODE);
> NodeDataUtil.getOrCreateAndSet(mappingNode, "pattern",
> pattern);
> }
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