Server fails to startup

Hi all

My server fails to start up. it keeps bombing out with exitcode: 1638

Here is the ServerLauncher log file

2015-05-06 08:32:48 [0000007c] info [native] Memory model not defined (-memory parameter not set), default memory model "demo" will be used
2015-05-06 08:32:48 [0000007c] info [native] Starting "dynaTrace Server 6.1.0" as service...
2015-05-06 08:32:48 [000000c0] info [native] -----------------------------------------------------------------------------
2015-05-06 08:32:48 [000000c0] info [native] dynaTrace Server, Copyright (C) 2004-2014, Compuware Corporation
2015-05-06 08:32:48 [000000c0] info [native] -----------------------------------------------------------------------------
2015-05-06 08:32:48 [000000c0] info [native] dynaTrace Server version: 6.1.0.7888 - built 2014-12-11 06:56:26 +0100
2015-05-06 08:32:48 [000000c0] info [native] Initializing service "dynaTrace Server 6.1.0"...
2015-05-06 08:32:48 [000000c0] info [native] Launcher configuration summary for dynaTrace Server:
2015-05-06 08:32:48 [000000c0] info [native] Launcher: C:\Program Files\dynaTrace\dynaTrace 6.1.0\dtserver.exe
2015-05-06 08:32:48 [000000c0] info [native] Java VM: C:\Program Files\dynaTrace\dynaTrace 6.1.0\jre\bin\java.exe
2015-05-06 08:32:48 [000000c0] info [native] Java version: 1.7.0_60 64-Bit
2015-05-06 08:32:48 [000000c0] info [native] Startup jar: C:\Program Files\dynaTrace\dynaTrace 6.1.0\server\plugins\org.eclipse.equinox.launcher_1.2.0.v20110502.jar
2015-05-06 08:32:48 [000000c0] info [native] Working directory: C:\Program Files\dynaTrace\dynaTrace 6.1.0\server
2015-05-06 08:32:48 [000000c0] info [native] Configuration file: C:\Program Files\dynaTrace\dynaTrace 6.1.0\dtserver.ini
2015-05-06 08:32:48 [000000c0] info [native] Pid file: C:\Windows\SERVIC~2\LOCALS~1\AppData\Local\Temp\dtserver.pid
2015-05-06 08:32:48 [000000c0] info [native] Native watchdog enabled, port: 50000, timeout: 180 sec (timeout for graceful shutdown: 300 sec)
2015-05-06 08:32:48 [000000c0] info [native] Process created successfully, pid: 1312
2015-05-06 08:32:48 [000000f0] info [java ] ServerHelperAgent loaded
2015-05-06 08:32:51 [000000f0] info [java ]
2015-05-06 08:32:55 [000000f0] info [native] JVM started successfully
2015-05-06 08:32:55 [000000c0] info [native] Process 1312 terminated, exitcode: 1638
2015-05-06 08:32:55 [000000c0] severe [native] Process terminated unexpectedly!
2015-05-06 08:32:55 [000000c0] info [native] Restarting dynaTrace Server...
2015-05-06 08:32:56 [000000c0] info [native] Memory model not defined (-memory parameter not set), default memory model "demo" will be used
2015-05-06 08:32:56 [000000c0] info [native] Launcher configuration summary for dynaTrace Server:
2015-05-06 08:32:56 [000000c0] info [native] Launcher: C:\Program Files\dynaTrace\dynaTrace 6.1.0\dtserver.exe
2015-05-06 08:32:56 [000000c0] info [native] Java VM: C:\Program Files\dynaTrace\dynaTrace 6.1.0\jre\bin\java.exe
2015-05-06 08:32:56 [000000c0] info [native] Java version: 1.7.0_60 64-Bit
2015-05-06 08:32:56 [000000c0] info [native] Startup jar: C:\Program Files\dynaTrace\dynaTrace 6.1.0\server\plugins\org.eclipse.equinox.launcher_1.2.0.v20110502.jar
2015-05-06 08:32:56 [000000c0] info [native] Working directory: C:\Program Files\dynaTrace\dynaTrace 6.1.0\server
2015-05-06 08:32:56 [000000c0] info [native] Configuration file: C:\Program Files\dynaTrace\dynaTrace 6.1.0\dtserver.ini
2015-05-06 08:32:56 [000000c0] info [native] Pid file: C:\Windows\SERVIC~2\LOCALS~1\AppData\Local\Temp\dtserver.pid
2015-05-06 08:32:56 [000000c0] info [native] Native watchdog enabled, port: 50000, timeout: 180 sec (timeout for graceful shutdown: 300 sec)
2015-05-06 08:32:56 [000000c0] info [native] Process created successfully, pid: 492
2015-05-06 08:32:56 [000000e8] info [java ] ServerHelperAgent loaded
2015-05-06 08:32:58 [000000e8] info [java ]
2015-05-06 08:33:02 [000000e8] info [native] JVM started successfully
2015-05-06 08:33:02 [000000c0] info [native] Process 492 terminated, exitcode: 1638
2015-05-06 08:33:02 [000000c0] severe [native] Process terminated unexpectedly!
2015-05-06 08:33:02 [000000c0] info [native] Restarting dynaTrace Server...
2015-05-06 08:33:03 [000000c0] info [native] Memory model not defined (-memory parameter not set), default memory model "demo" will be used
2015-05-06 08:33:03 [000000c0] info [native] Launcher configuration summary for dynaTrace Server:
2015-05-06 08:33:03 [000000c0] info [native] Launcher: C:\Program Files\dynaTrace\dynaTrace 6.1.0\dtserver.exe
2015-05-06 08:33:03 [000000c0] info [native] Java VM: C:\Program Files\dynaTrace\dynaTrace 6.1.0\jre\bin\java.exe
2015-05-06 08:33:03 [000000c0] info [native] Java version: 1.7.0_60 64-Bit
2015-05-06 08:33:03 [000000c0] info [native] Startup jar: C:\Program Files\dynaTrace\dynaTrace 6.1.0\server\plugins\org.eclipse.equinox.launcher_1.2.0.v20110502.jar
2015-05-06 08:33:03 [000000c0] info [native] Working directory: C:\Program Files\dynaTrace\dynaTrace 6.1.0\server
2015-05-06 08:33:03 [000000c0] info [native] Configuration file: C:\Program Files\dynaTrace\dynaTrace 6.1.0\dtserver.ini
2015-05-06 08:33:03 [000000c0] info [native] Pid file: C:\Windows\SERVIC~2\LOCALS~1\AppData\Local\Temp\dtserver.pid
2015-05-06 08:33:03 [000000c0] info [native] Native watchdog enabled, port: 50000, timeout: 180 sec (timeout for graceful shutdown: 300 sec)
2015-05-06 08:33:03 [000000c0] info [native] Process created successfully, pid: 2604
2015-05-06 08:33:03 [000000f0] info [java ] ServerHelperAgent loaded
2015-05-06 08:33:05 [000000f0] info [java ]
2015-05-06 08:33:09 [000000f0] info [native] JVM started successfully
2015-05-06 08:33:10 [000000c0] info [native] Process 2604 terminated, exitcode: 1638
2015-05-06 08:33:10 [000000c0] severe [native] Process terminated unexpectedly!
2015-05-06 08:33:10 [000000c0] info [native] Restarting dynaTrace Server...
2015-05-06 08:33:10 [000000c0] info [native] Memory model not defined (-memory parameter not set), default memory model "demo" will be used
2015-05-06 08:33:10 [000000c0] info [native] Launcher configuration summary for dynaTrace Server:
2015-05-06 08:33:10 [000000c0] info [native] Launcher: C:\Program Files\dynaTrace\dynaTrace 6.1.0\dtserver.exe
2015-05-06 08:33:10 [000000c0] info [native] Java VM: C:\Program Files\dynaTrace\dynaTrace 6.1.0\jre\bin\java.exe
2015-05-06 08:33:10 [000000c0] info [native] Java version: 1.7.0_60 64-Bit
2015-05-06 08:33:10 [000000c0] info [native] Startup jar: C:\Program Files\dynaTrace\dynaTrace 6.1.0\server\plugins\org.eclipse.equinox.launcher_1.2.0.v20110502.jar
2015-05-06 08:33:10 [000000c0] info [native] Working directory: C:\Program Files\dynaTrace\dynaTrace 6.1.0\server
2015-05-06 08:33:10 [000000c0] info [native] Configuration file: C:\Program Files\dynaTrace\dynaTrace 6.1.0\dtserver.ini
2015-05-06 08:33:10 [000000c0] info [native] Pid file: C:\Windows\SERVIC~2\LOCALS~1\AppData\Local\Temp\dtserver.pid
2015-05-06 08:33:10 [000000c0] info [native] Native watchdog enabled, port: 50000, timeout: 180 sec (timeout for graceful shutdown: 300 sec)
2015-05-06 08:33:10 [000000c0] info [native] Process created successfully, pid: 1108
2015-05-06 08:33:10 [000000e8] info [java ] ServerHelperAgent loaded
2015-05-06 08:33:12 [000000e8] info [java ]
2015-05-06 08:33:16 [000000e8] info [native] JVM started successfully
2015-05-06 08:33:17 [000000c0] info [native] Process 1108 terminated, exitcode: 1638
2015-05-06 08:33:17 [000000c0] severe [native] Process terminated unexpectedly!
2015-05-06 08:33:17 [000000c0] severe [native] Restart counter exceeded the maximum of 3 restarts in sequence (time delay between restarts less than 60 seconds)
2015-05-06 08:33:17 [000000c0] info [native] dynaTrace Server terminated
2015-05-06 08:33:17 [000000c0] severe [native] Service exit code: 1638
2015-05-06 08:33:17 [0000007c] info [native] Service "dynaTrace Server 6.1.0" was stopped.

Here is the Server log file

2015-05-06 08:33:09 INFO [ShutdownPipe] found named pipe for shutdown - listening
2015-05-06 08:33:09 SEVERE [ServerBundleActivator] dynaTrace Server NOT started successfully: com.dynatrace.diagnostics.server.ServerBundleActivator start:529
java.lang.IllegalStateException: Cannot create a password protector instance for 'AES' - had following security providers: '[SUN version 1.7, SunRsaSign version 1.7, SunEC version 1.7, SunJSSE version 1.7, SunJCE version 1.7, SunJGSS version 1.7, SunSASL version 1.7, XMLDSig version 1.0, SunPCSC version 1.7, SunMSCAPI version 1.7, BC version 1.5]'
at com.dynatrace.diagnostics.sdk.security.PasswordProtectors.getByCryptoFunction(SourceFile:61)
at com.dynatrace.diagnostics.sdk.security.PasswordProtectors.newAesProtector(SourceFile:38)
at com.dynatrace.diagnostics.server.shared.security.CommunityCredentials.createEmptyCredentials(SourceFile:144)
at com.dynatrace.diagnostics.server.shared.security.UserDataConfig.<init>(SourceFile:41)
at com.dynatrace.diagnostics.server.security.PermissionManager.d(SourceFile:158)
at com.dynatrace.diagnostics.server.security.PermissionManager.a(SourceFile:119)
at com.dynatrace.diagnostics.server.security.PermissionManager.<init>(SourceFile:105)
at com.dynatrace.diagnostics.server.security.PermissionManager.initSecurityContext(SourceFile:197)
at com.dynatrace.diagnostics.server.Server.initSecurityContext(SourceFile:5582)
at com.dynatrace.diagnostics.server.BaseServer.start(SourceFile:290)
at com.dynatrace.diagnostics.server.Server.start(SourceFile:5619)
at com.dynatrace.diagnostics.server.ServerBundleActivator.startServerBundle(SourceFile:198)
at com.dynatrace.diagnostics.server.ServerBundleActivator.a(SourceFile:120)
at com.dynatrace.diagnostics.server.ServerBundleActivator.startBundle(SourceFile:112)
at com.dynatrace.diagnostics.server.ServerBundleActivator.start(SourceFile:514)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:299)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:291)
at com.dynatrace.diagnostics.bootstrap.Bootstrapper.a(SourceFile:61)
at com.dynatrace.diagnostics.bootstrap.Bootstrapper.startBootstrap(SourceFile:47)
at com.dynatrace.diagnostics.serverbootstrap.ServerBootstrapActivator.start(SourceFile:25)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:389)
at org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1131)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:559)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:544)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:457)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:243)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:438)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:1)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340)
Caused by: java.security.NoSuchAlgorithmException: PBEWithSHA256And256BitAES-CBC-BC SecretKeyFactory not available
at javax.crypto.SecretKeyFactory.<init>(SecretKeyFactory.java:121)
at javax.crypto.SecretKeyFactory.getInstance(SecretKeyFactory.java:159)
at com.dynatrace.diagnostics.sdk.security.SecurityProvider.a(SourceFile:43)
at com.dynatrace.diagnostics.sdk.security.Aes256PasswordProtector.a(SourceFile:61)
at com.dynatrace.diagnostics.sdk.security.Aes256PasswordProtector.a(SourceFile:53)
at com.dynatrace.diagnostics.sdk.security.Aes256PasswordProtector.<init>(SourceFile:48)
at com.dynatrace.diagnostics.sdk.security.PasswordProtectors.getByCryptoFunction(SourceFile:55)
... 39 more

Does anyone have any ideas what could be causing this ?