Deserialization not allowed error

Issue

After upgrading to AEM 6.2 or later version the application is failing with "Deserialization not allowed for class" errors (see example below). 

java.lang.UnsupportedOperationException: Deserialization not allowed for class net.sf.ehcache.Element (on Thu Sep 21 12:29:55 CDT 2017)
at org.kantega.notsoserial.DefaultNotSoSerial.preventDeserialization(DefaultNotSoSerial.java:256)
at org.kantega.notsoserial.DefaultNotSoSerial.onBeforeResolveClass(DefaultNotSoSerial.java:248)
at org.kantega.notsoserial.ObjectInputStreamClassVisitor.onBeforeResolveClass(ObjectInputStreamClassVisitor.java:48)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1613)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1518)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1774)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
at net.sf.ehcache.store.disk.DiskStorageFactory.read(DiskStorageFactory.java:370)
at net.sf.ehcache.store.disk.DiskStorageFactory.retrieve(DiskStorageFactory.java:886)
at net.sf.ehcache.store.disk.Segment.decode(Segment.java:172)
at net.sf.ehcache.store.disk.Segment.put(Segment.java:449)
at net.sf.ehcache.store.disk.DiskStore.put(DiskStore.java:438)
at net.sf.ehcache.store.FrontEndCacheTier.put(FrontEndCacheTier.java:267)
at net.sf.ehcache.Cache.putInternal(Cache.java:1455)
at net.sf.ehcache.Cache.put(Cache.java:1383)
at net.sf.ehcache.Cache.put(Cache.java:1348)

Environment

AEM 6.2 and later versions

Cause

This is caused by the nososerial security fix which is applied to AEM.  To fix the error you can whitelist certain java classes allowing deserialization.

Add a whitelist file by adding this JVM parameter:

-Dnotsoserial.whitelist=is-deserialized.txt

Resolution

-javaagent:notsoserial.jar -Dnotsoserial.whitelist=empty.txt -Dnotsoserial.dryrun=is-deserialized.txt

 Adobe

쉽고 빠르게 지원 받기

신규 사용자이신가요?

Adobe MAX 2024

Adobe MAX
크리에이티비티 컨퍼런스

10월 14~16일 마이애미 비치 및 온라인

Adobe MAX

크리에이티비티 컨퍼런스

10월 14~16일 마이애미 비치 및 온라인

Adobe MAX 2024

Adobe MAX
크리에이티비티 컨퍼런스

10월 14~16일 마이애미 비치 및 온라인

Adobe MAX

크리에이티비티 컨퍼런스

10월 14~16일 마이애미 비치 및 온라인