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From "Adrian Cole (JIRA)" <j...@apache.org>
Subject [jira] Created: (VFS-237) NPE at org.apache.commons.vfs.provider.ram.RamFileSystem.attach
Date Mon, 09 Feb 2009 17:40:59 GMT
NPE at org.apache.commons.vfs.provider.ram.RamFileSystem.attach
---------------------------------------------------------------

                 Key: VFS-237
                 URL: https://issues.apache.org/jira/browse/VFS-237
             Project: Commons VFS
          Issue Type: Bug
    Affects Versions: 1.0
         Environment: unit test
            Reporter: Adrian Cole


I get an NPE occasionally during my unit tests.


org.codehaus.cargo.util.CargoException: Failed to create folders for path [ram:/org.codehaus.cargo.container.tomcat.Tomcat4xStandaloneLocalConfigurationTest/container/webapps]
        at org.codehaus.cargo.util.VFSFileHandler.mkdirs(VFSFileHandler.java:174)
        at org.codehaus.cargo.container.tomcat.Tomcat4xStandaloneLocalConfigurationTest.setUpManager(Tomcat4xStandaloneLocalConfigurationTest.java:67)
        at org.codehaus.cargo.container.tomcat.Tomcat4xStandaloneLocalConfigurationTest.setUp(Tomcat4xStandaloneLocalConfigurationTest.java:62)
        at junit.framework.TestCase.runBare(TestCase.java:125)
        at junit.framework.TestResult$1.protect(TestResult.java:106)
        at junit.framework.TestResult.runProtected(TestResult.java:124)
        at junit.framework.TestResult.run(TestResult.java:109)
        at junit.framework.TestCase.run(TestCase.java:118)
        at junit.framework.TestSuite.runTest(TestSuite.java:208)
        at junit.framework.TestSuite.run(TestSuite.java:203)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.maven.surefire.junit.JUnitTestSet.execute(JUnitTestSet.java:213)
        at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:140)
        at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:127)
        at org.apache.maven.surefire.Surefire.run(Surefire.java:177)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:345)
        at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1009)
Caused by: org.apache.commons.vfs.FileSystemException: Could not determine if file "ram:///org.codehaus.cargo.container.tomcat.Tomcat4xStandaloneLocalConfigurationTest/container/webapps"
is writeable.
        at org.apache.commons.vfs.provider.AbstractFileObject.isWriteable(AbstractFileObject.java:484)
        at org.apache.commons.vfs.provider.AbstractFileObject.createFolder(AbstractFileObject.java:819)
        at org.codehaus.cargo.util.VFSFileHandler.mkdirs(VFSFileHandler.java:170)
        ... 23 more
Caused by: org.apache.commons.vfs.FileSystemException: Could not resolve file "ram:///".
        at org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:301)
        at org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:267)
        at org.apache.commons.vfs.provider.AbstractFileSystem.getRoot(AbstractFileSystem.java:242)
        at org.apache.commons.vfs.provider.AbstractFileObject.getParent(AbstractFileObject.java:493)
        at org.apache.commons.vfs.provider.AbstractFileObject.isWriteable(AbstractFileObject.java:474)
        ... 25 more
Caused by: java.lang.NullPointerException
        at org.apache.commons.vfs.provider.ram.RamFileSystem.attach(RamFileSystem.java:197)
        at org.apache.commons.vfs.provider.ram.RamFileObject.<init>(RamFileObject.java:61)
        at org.apache.commons.vfs.provider.ram.RamFileSystem.createFile(RamFileSystem.java:71)
        at org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:296)
        ... 29 more
org.apache.commons.vfs.FileSystemException: Could not determine if file "ram:///org.codehaus.cargo.container.tomcat.Tomcat4xStandaloneLocalConfigurationTest/container/webapps"
is writeable.
        at org.apache.commons.vfs.provider.AbstractFileObject.isWriteable(AbstractFileObject.java:484)
        at org.apache.commons.vfs.provider.AbstractFileObject.createFolder(AbstractFileObject.java:819)
        at org.codehaus.cargo.util.VFSFileHandler.mkdirs(VFSFileHandler.java:170)
        at org.codehaus.cargo.container.tomcat.Tomcat4xStandaloneLocalConfigurationTest.setUpManager(Tomcat4xStandaloneLocalConfigurationTest.java:67)
        at org.codehaus.cargo.container.tomcat.Tomcat4xStandaloneLocalConfigurationTest.setUp(Tomcat4xStandaloneLocalConfigurationTest.java:62)


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