javax.crypto.IllegalBlockSizeException during Red Hat JBoss Portal 6 startup

Issue

During the startup of the portal server an error occurs. Where is this coming from, how to resolve it?

16:52:31,246 ERROR [org.exoplatform.services.organization.idm.PicketLinkIDMOrganizationServiceImpl] (MSC service thread 1-5) Failed start Organization Service org.exoplatform.services.organization.idm.PicketLinkIDMOrganizationServiceImpl, probably because of configuration error. Error occurs when initialize org.gatein.portal.installer.SetupOrganizationDatabaseInitializer: java.lang.RuntimeException: Failed start Organization Service org.exoplatform.services.organization.idm.PicketLinkIDMOrganizationServiceImpl, probably because of configuration error. Error occurs when initialize org.gatein.portal.installer.SetupOrganizationDatabaseInitializer
    at org.exoplatform.services.organization.BaseOrganizationService.start(BaseOrganizationService.java:91) [exo.core.component.organization.api-2.5.4-GA-redhat-2.jar:2.5.4-GA-redhat-2]
    at org.exoplatform.services.organization.idm.PicketLinkIDMOrganizationServiceImpl.start(PicketLinkIDMOrganizationServiceImpl.java:103) [exo.portal.component.identity-3.6.3.Final-redhat-4.jar:3.6.3.Final-redhat-4]
    at sun.reflect.GeneratedMethodAccessor32.invoke(Unknown Source) [:1.7.0_05-icedtea]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_05-icedtea]
    at java.lang.reflect.Method.invoke(Method.java:601) [rt.jar:1.7.0_05-icedtea]
    at org.exoplatform.container.LifecycleVisitor.traverse(LifecycleVisitor.java:100) [exo.kernel.container-2.4.4-GA-redhat-2.jar:2.4.4-GA-redhat-2]
    at org.exoplatform.container.LifecycleVisitor.start(LifecycleVisitor.java:170) [exo.kernel.container-2.4.4-GA-redhat-2.jar:2.4.4-GA-redhat-2]
    at org.exoplatform.container.ConcurrentPicoContainer.start(ConcurrentPicoContainer.java:554) [exo.kernel.container-2.4.4-GA-redhat-2.jar:2.4.4-GA-redhat-2]
    at org.exoplatform.container.ExoContainer.start(ExoContainer.java:275) [exo.kernel.container-2.4.4-GA-redhat-2.jar:2.4.4-GA-redhat-2]
    at org.exoplatform.container.PortalContainer.start(PortalContainer.java:683) [exo.kernel.container-2.4.4-GA-redhat-2.jar:2.4.4-GA-redhat-2]
    at org.exoplatform.container.ExoContainer.start(ExoContainer.java:263) [exo.kernel.container-2.4.4-GA-redhat-2.jar:2.4.4-GA-redhat-2]
    at org.exoplatform.container.RootContainer.createPortalContainer(RootContainer.java:681) [exo.kernel.container-2.4.4-GA-redhat-2.jar:2.4.4-GA-redhat-2]
    at org.exoplatform.container.RootContainer.createPortalContainers(RootContainer.java:346) [exo.kernel.container-2.4.4-GA-redhat-2.jar:2.4.4-GA-redhat-2]
    at org.gatein.integration.jboss.as7.web.StartupService.start(StartupService.java:45)
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811)
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [rt.jar:1.7.0_05-icedtea]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [rt.jar:1.7.0_05-icedtea]
    at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_05-icedtea]
Caused by: java.lang.RuntimeException: javax.crypto.IllegalBlockSizeException: Input length must be multiple of 8 when decrypting with padded cipher
    at org.gatein.portal.installer.PortalSetupService.rootPassword(PortalSetupService.java:104) [exo.portal.component.portal-3.6.3.Final-redhat-4.jar:3.6.3.Final-redhat-4]
    at org.gatein.portal.installer.SetupOrganizationDatabaseInitializer.createUsers(SetupOrganizationDatabaseInitializer.java:160) [exo.portal.component.portal-3.6.3.Final-redhat-4.jar:3.6.3.Final-redhat-4]
    at org.gatein.portal.installer.SetupOrganizationDatabaseInitializer.init(SetupOrganizationDatabaseInitializer.java:87) [exo.portal.component.portal-3.6.3.Final-redhat-4.jar:3.6.3.Final-redhat-4]
    at org.exoplatform.services.organization.BaseOrganizationService.start(BaseOrganizationService.java:83) [exo.core.component.organization.api-2.5.4-GA-redhat-2.jar:2.5.4-GA-redhat-2]
    ... 18 more
Caused by: javax.crypto.IllegalBlockSizeException: Input length must be multiple of 8 when decrypting with padded cipher
    at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:750) [sunjce_provider.jar:1.7.0_05-icedtea]
    at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:676) [sunjce_provider.jar:1.7.0_05-icedtea]
    at com.sun.crypto.provider.PBECipherCore.doFinal(PBECipherCore.java:422) [sunjce_provider.jar:1.7.0_05-icedtea]
    at com.sun.crypto.provider.PBEWithMD5AndDESCipher.engineDoFinal(PBEWithMD5AndDESCipher.java:316) [sunjce_provider.jar:1.7.0_05-icedtea]
    at javax.crypto.Cipher.doFinal(Cipher.java:1922) [jce.jar:1.7.0_05-icedtea]
    at org.gatein.portal.installer.PBEUtils.decode(PBEUtils.java:67) [exo.portal.component.portal-3.6.3.Final-redhat-4.jar:3.6.3.Final-redhat-4]
    at org.gatein.portal.installer.PBEUtils.decode64(PBEUtils.java:74) [exo.portal.component.portal-3.6.3.Final-redhat-4.jar:3.6.3.Final-redhat-4]
    at org.gatein.portal.installer.PortalSetupService.decodePassword(PortalSetupService.java:121) [exo.portal.component.portal-3.6.3.Final-redhat-4.jar:3.6.3.Final-redhat-4]
    at org.gatein.portal.installer.PortalSetupService.rootPassword(PortalSetupService.java:94) [exo.portal.component.portal-3.6.3.Final-redhat-4.jar:3.6.3.Final-redhat-4]
    ... 21 more