https://issues.apache.org/bugzilla/show_bug.cgi?id=48007
Summary: ClassNotFoundException when deserializing custom
object with FileStore
Product: Tomcat 5
Version: 5.5.27
Platform: Macintosh
OS/Version: Mac OS X 10.4
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
AssignedTo: dev@tomcat.apache.org
ReportedBy: mmalaid...@gmail.com
We're using the FileStore to make sessions persistent. Sessions are serialized
correctly, but every minute or so we get an exception like the following:
SEVERE: Session: 6D026DD0479F48B331D28EE8325095BB;
java.lang.ClassNotFoundException: com.whatever.spikes.session.CustomClass
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:319)
at java.lang.ClassLoader.loadClass(ClassLoader.java:254)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:399)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:604)
at
org.apache.catalina.util.CustomObjectInputStream.resolveClass(CustomObjectInputStream.java:78)
at
java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1575)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1732)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
at
org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1407)
at
org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:931)
at org.apache.catalina.session.FileStore.load(FileStore.java:296)
at
org.apache.catalina.session.StoreBase.processExpires(StoreBase.java:194)
at
org.apache.catalina.session.PersistentManagerBase.processExpires(PersistentManagerBase.java:553)
at
org.apache.catalina.session.ManagerBase.backgroundProcess(ManagerBase.java:664)
at
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1285)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1570)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1579)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1579)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1559)
at java.lang.Thread.run(Thread.java:637)
This doesn't happen if we put CustomClass in $CATALINA_HOME/shared/lib or
$CATALINA_HOME/shared/classes
Configuration:
<Context path="/Spikes" reloadable="true"
docBase="/Users/mman/Workspaces/Spikes"
workDir="/Users/mman/Workspaces/Spikes/work" >
<Manager className="org.apache.catalina.session.PersistentManager"
maxIdleBackup="0" >
<Store className="org.apache.catalina.session.FileStore"
directory="/Users/mman/tmp/tomcat-sessions"/>
</Manager>
</Context>
Environment:
*) Mac OS/X 10.6.1
*) JDK 1.6.0_15
*) Tomcat 5.5.27
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