https://issues.apache.org/bugzilla/show_bug.cgi?id=55189
Bug ID: 55189
Summary: Unable to start the server
Product: Tomcat 7
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Manager
Assignee: [email protected]
Reporter: [email protected]
/dev/random is a special file that serves as a random number generator or as a
pseudorandom number generator.
When the entropy pool is empty, reads from /dev/random will block until
additional environmental noise is gathered.
In Tomcat 6, if not specified, the default value of randomFile attribute was
/dev/urandom (no blocking read because it's "urandom"):
http://tomcat.apache.org/tomcat-6.0-doc/config/manager.html
In Tomcat 7, the file used by default is /dev/random so it can prevent Tomcat
from starting if the entropy pool is empty.
Then a workaround can be to add "-Djava.security.egd=file:/dev/./urandom" in
JAVA_OPTS variable, but I guess we can see this change as a regression?
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