[ http://jira.jboss.com/jira/browse/JBAS-4052?page=comments#action_12352155 ]
Jon Stevens commented on JBAS-4052:
-----------------------------------
http://bugs.mysql.com/bug.php?id=24602
Seems this person is seeing a NPE on the same line number.
> NPE in RepositoryClassLoader when loading BouncyCastle
> ------------------------------------------------------
>
> Key: JBAS-4052
> URL: http://jira.jboss.com/jira/browse/JBAS-4052
> Project: JBoss Application Server
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Components: ClassLoading
> Affects Versions: JBossAS-4.0.5.GA
> Reporter: Jon Stevens
> Assigned To: Scott M Stark
>
> Occasionally, I will get the exception below when trying to load the bouncy castle library. One would think it is a problem in BC, except for the fact that the NPE is clearly coming from JBoss's RepositoryClassLoader.
> The hard part about this bug is that it happens some of the time and not other times. It's been impossible to reliably reproduce. Restarting the appserver/jvm causes the problem to go away and everything works just fine, but eventually it will happen again.
> BC is being started in a @Service Bean. The start() method looks like this:
> public void start() throws Exception
> {
> Security.addProvider(new BouncyCastleProvider());
> }
> Has anyone else seen this problem?
> Caused by: java.security.NoSuchAlgorithmException: No such algorithm: AES/CBC/PKCS5Padding
> at javax.crypto.Cipher.getInstance(DashoA13*..)
> at javax.crypto.Cipher.getInstance(DashoA13*..)
> at com.kink.heart.biz.system.EncryptorBean.encrypt(EncryptorBean.java:349)
> ... 73 more
> Caused by: java.security.NoSuchAlgorithmException: Error constructing implementation (algorithm: AES, provider: BC, class: org.bouncycastle.jce.provider.JCEBlockCipher$AES)
> at java.security.Provider$Service.newInstance(Provider.java:1201)
> ... 76 more
> Caused by: java.lang.NullPointerException
> at org.jboss.mx.loading.RepositoryClassLoader.findClass(RepositoryClassLoader.java:620)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:316)
> at org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java:464)
> at org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java:405)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> at java.security.Provider$Service.getImplClass(Provider.java:1218)
> at java.security.Provider$Service.newInstance(Provider.java:1176)
> ... 76 more
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