OS: Ubuntu 16.04.3 LTS Java: OpenJDK 1.8.0_181 Thread Dump: "localhost-startStop-1" #16 daemon prio=5 os_prio=0 tid=0x00007f9224004000 nid=0xccc runnable [0x00007f92724b5000] java.lang.Thread.State: RUNNABLE at java.io.FileInputStream.readBytes(Native Method) at java.io.FileInputStream.read(FileInputStream.java:255) at sun.security.provider.SeedGenerator$URLSeedGenerator.getSeedBytes(SeedGenerator.java:539) at sun.security.provider.SeedGenerator.generateSeed(SeedGenerator.java:144) at sun.security.provider.SecureRandom$SeederHolder.(SecureRandom.java:203) at sun.security.provider.SecureRandom.engineNextBytes(SecureRandom.java:221) - locked (a sun.security.provider.SecureRandom) at java.security.SecureRandom.nextBytes(SecureRandom.java:468) at java.security.SecureRandom.next(SecureRandom.java:491) at java.util.Random.nextInt(Random.java:329) at org.apache.catalina.util.SessionIdGeneratorBase.createSecureRandom(SessionIdGeneratorBase.java:237) at org.apache.catalina.util.SessionIdGeneratorBase.getRandomBytes(SessionIdGeneratorBase.java:174) at org.apache.catalina.util.StandardSessionIdGenerator.generateSessionId(StandardSessionIdGenerator.java:34) at org.apache.catalina.util.SessionIdGeneratorBase.generateSessionId(SessionIdGeneratorBase.java:167) at org.apache.catalina.util.SessionIdGeneratorBase.startInternal(SessionIdGeneratorBase.java:256) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) … Teruskan membaca Stuck at “Shark -> SharkExampleJSP ready and waiting”