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From bugzi...@apache.org
Subject [Bug 54284] New: Util.objectNameValueNeedsQuote throws NPE for anonymous Filters
Date Wed, 12 Dec 2012 15:51:40 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=54284

            Bug ID: 54284
           Summary: Util.objectNameValueNeedsQuote throws NPE for
                    anonymous Filters
           Product: Tomcat 7
           Version: 7.0.26
          Hardware: PC
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Catalina
          Assignee: dev@tomcat.apache.org
          Reporter: benjamin.gehrels_external@immobilienscout24.de
    Classification: Unclassified

How to reproduce?

>From inside the contextInitialized-Method of an ServletContextListener
instance, call

context.addFilter(null,
      new ArbitraryFilter(pathPrefix)).addMappingForUrlPatterns(null, false,
pathPrefix);

What happens?

Dec 12, 2012 3:59:03 PM org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter null
java.lang.NullPointerException
        at
org.apache.tomcat.util.modeler.Util.objectNameValueNeedsQuote(Util.java:26)
        at
org.apache.catalina.core.ApplicationFilterConfig.registerJMX(ApplicationFilterConfig.java:421)
        at
org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:282)
        at
org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
        at
org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4650)
        at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5306)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
        at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
        at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
        at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
        at
org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:657)
        at
org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1637)
        at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:722)

Dec 12, 2012 3:59:03 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: Error filterStart
Dec 12, 2012 3:59:03 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: Context [] startup failed due to previous errors


What should happen?
Either - if null is not an allowed filter name, throw a
IllegalArgumentException on context.addFilter(...)
Or, if it is an allowed filter name, handle null-values gracefully

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