Administration Server Has a Slow Start After the Upgrade

The Administration Server experiences a slow start after the upgrade.

The thread dump displays the following information:

[ACTIVE] ExecuteThread: '5' for queue: 'weblogic.kernel.Default
(self-tuning)'" #76 daemon prio=5 os_prio=0 tid=0x00007f4fcc008000 nid=0x20c6
runnable [0x00007f4fbc2d6000]
  java.lang.Thread.State: RUNNABLE
at java.io.FileInputStream.readBytes(Native Method)
at java.io.FileInputStream.read(FileInputStream.java:255)
at sun.security.provider.NativePRNG$RandomIO.readFully(NativePRNG.java:424)
at
sun.security.provider.NativePRNG$RandomIO.implGenerateSeed(NativePRNG.java:441
)
- locked <0x0000000640b92be8> (a java.lang.Object)
at sun.security.provider.NativePRNG$RandomIO.access$500(NativePRNG.java:331)
at sun.security.provider.NativePRNG.engineGenerateSeed(NativePRNG.java:226)
at java.security.SecureRandom.generateSeed(SecureRandom.java:546)
at
com.bea.security.utils.random.AbstractRandomData.ensureInittedAndSeeded(Abstra
ctRandomData.java:92)
- locked <0x000000075b7af6b8> (a
com.bea.security.utils.random.SecureRandomData)
at
com.bea.security.utils.random.AbstractRandomData.getRandomLong(AbstractRandomD
ata.java:117)
- locked <0x000000075b7af6b8> (a
com.bea.security.utils.random.SecureRandomData)

To resolve this issue, set the -Djava.security.egd=file:/dev/./urandom parameter in the JAVA_OPTIONS section of the setDomainEnv.sh/cmd file and restart the server.