hello I have a problem with my new installed tomcat 7 when I try to start it it does not start and log error on tomcat7-stderr.log with this exception:
SEVERE: Exception initializing random number generator using algorithm [SHA1PRNG]
java.security.NoSuchAlgorithmException: SHA1PRNG SecureRandom not available
at sun.security.jca.GetInstance.getInstance(GetInstance.java:159)
at java.security.SecureRandom.getInstance(SecureRandom.java:276)
at org.apache.catalina.util.SessionIdGenerator.createSecureRandom(SessionIdGenerator.java:219)
at org.apache.catalina.util.SessionIdGenerator.getRandomBytes(SessionIdGenerator.java:183)
at org.apache.catalina.util.SessionIdGenerator.generateSessionId(SessionIdGenerator.java:153)
at org.apache.catalina.session.ManagerBase.startInternal(ManagerBase.java:574)
at org.apache.catalina.session.StandardManager.startInternal(StandardManager.java:466)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5199)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:812)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:787)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:607)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1044)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:967)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:472)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1305)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:89)
at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:379)
at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:324)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1041)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:774)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1033)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:291)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:443)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:727)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.startup.Catalina.start(Catalina.java:620)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:303)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:431)
Apr 15, 2013 2:21:47 PM org.apache.catalina.util.SessionIdGenerator createSecureRandom
SEVERE: Exception initializing random number generator using algorithm [SHA1PRNG]
java.security.NoSuchAlgorithmException: SHA1PRNG SecureRandom not available
at sun.security.jca.GetInstance.getInstance(GetInstance.java:159)
at java.security.SecureRandom.getInstance(SecureRandom.java:276)
at org.apache.catalina.util.SessionIdGenerator.createSecureRandom(SessionIdGenerator.java:233)
at org.apache.catalina.util.SessionIdGenerator.getRandomBytes(SessionIdGenerator.java:183)
at org.apache.catalina.util.SessionIdGenerator.generateSessionId(SessionIdGenerator.java:153)
at org.apache.catalina.session.ManagerBase.startInternal(ManagerBase.java:574)
at org.apache.catalina.session.StandardManager.startInternal(StandardManager.java:466)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5199)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:812)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:787)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:607)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1044)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:967)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:472)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1305)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:89)
at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:379)
at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:324)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1041)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:774)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1033)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:291)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:443)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:727)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.startup.Catalina.start(Catalina.java:620)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:303)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:431)
java.lang.InternalError: internal error: SHA-1 not available.
at sun.security.provider.SecureRandom.init(SecureRandom.java:105)
at sun.security.provider.SecureRandom.<init>(SecureRandom.java:84)
at java.security.SecureRandom.getDefaultPRNG(SecureRandom.java:191)
at java.security.SecureRandom.<init>(SecureRandom.java:155)
at org.apache.catalina.util.SessionIdGenerator.createSecureRandom(SessionIdGenerator.java:242)
at org.apache.catalina.util.SessionIdGenerator.getRandomBytes(SessionIdGenerator.java:183)
at org.apache.catalina.util.SessionIdGenerator.generateSessionId(SessionIdGenerator.java:153)
at org.apache.catalina.session.ManagerBase.startInternal(ManagerBase.java:574)
at org.apache.catalina.session.StandardManager.startInternal(StandardManager.java:466)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5199)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:812)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:787)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:607)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1044)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:967)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:472)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1305)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:89)
at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:379)
at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:324)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1041)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:774)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1033)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:291)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:443)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:727)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.startup.Catalina.start(Catalina.java:620)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:303)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:431)
I tried to look for this exception but I faild to understand what it is about, I tried to reinstall tomcat but it still gives me the same error. so what should I do to start my tomcat?
UPDATE I am using jdk 1.7 on windows 7 32bit machine
If you are using OpenJDK 1.6 try to change to Oracle's JDK. This may solve your problem.
java.security.NoSuchAlgorithmException: SHA1PRNG SecureRandom not available
This issue can be fixed by adding correct policy and security files under security folder of the java
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