2553799 - 500 Internal Server Error when accessing Netweaver As Java Server

• You are accessing the SAP NetWeaver AS Java server (http://<host>:<port>/*) through browsers. (Startpage, NWA, Portal, etc.)
• "500 internal server error" appears on the page.
• In defaultTrace, you can find the error as below.

500 Internal Server Error is returned for HTTP request [http://<host>:<port>/webdynpro/resources/sap.com/tc~lm~itsam~ui~mainframe~wd/FloorPlanApp]:
  component [dispatcher],
  web module [webdynpro/resources/sap.com/tc~lm~itsam~ui~mainframe~wd],
  application [sap.com/tc~lm~itsam~ui~mainframe~wd],
  DC name [],
  CSN component[],
  problem categorization [],
  internal categorization [-1381188117].

[EXCEPTION]
java.lang.ArrayIndexOutOfBoundsException: while trying to copy a negative range -4 from a type array with length 20 to a type array with length 16
	at java.lang.System.arraycopy(Native Method)
	at iaik.security.random.o.engineNextBytes(Unknown Source)
	at iaik.security.random.SecRandomSpi.engineNextBytes(Unknown Source)
	at java.security.SecureRandom.nextBytes(SecureRandom.java:468)
	at com.sap.tc.webdynpro.clientserver.session.SessionIdUtils.secureRandomId(SessionIdUtils.java:94)
	at com.sap.tc.webdynpro.clientserver.session.SessionIdUtils.computeSecureId(SessionIdUtils.java:71)
	at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.<init>(ApplicationSession.java:203)
	at com.sap.tc.webdynpro.serverimpl.defaultimpl.session.HttpApplicationSession.<init>(HttpApplicationSession.java:44)
	at com.sap.tc.webdynpro.serverimpl.defaultimpl.sessionctx.SessionManagementFactory.createApplicationSession(SessionManagementFactory.java:142)
	at com.sap.tc.webdynpro.services.sal.sessionctx.core.SessionManagementInternal.createApplicationSession(SessionManagementInternal.java:169)
	at com.sap.tc.webdynpro.serverimpl.core.adapter.AbstractHttpRequestAdapter.createApplicationSession(AbstractHttpRequestAdapter.java:483)
	at com.sap.tc.webdynpro.serverimpl.core.adapter.AbstractHttpRequestAdapter.getSessionObject(AbstractHttpRequestAdapter.java:345)
	at com.sap.tc.webdynpro.serverimpl.core.adapter.AbstractHttpProtocolAdapter.getSessionObject(AbstractHttpProtocolAdapter.java:80)
	at com.sap.tc.webdynpro.clientserver.session.RequestManager.getSessionAndUpdateSessionEventState(RequestManager.java:535)
	at com.sap.tc.webdynpro.clientserver.session.RequestManager.findApplicationSession(RequestManager.java:482)
	at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:320)
	at com.sap.tc.webdynpro.serverimpl.core.AbstractDispatcherServlet.doContent(AbstractDispatcherServlet.java:87)
	at com.sap.tc.webdynpro.serverimpl.wdc.DispatcherServlet.doContent(DispatcherServlet.java:101)
	at com.sap.tc.webdynpro.serverimpl.core.AbstractDispatcherServlet.doGet(AbstractDispatcherServlet.java:55)

NetWeaver As Java 7.50 SP06 and higer SP level

Internal Server Error, SecRandomSpi, ArrayIndexOutOfBoundsException, SecureRandom , KBA , BC-JAS-SEC-CPG , Cryptography , BC-WD-JAV , WebDynpro Java , Problem