Java Security Manager Causes AccessControlException When Using ParallelStream Method
(Doc ID 2094041.1)
Last updated on OCTOBER 24, 2019
Applies to:Java SE JDK and JRE - Version 8 and later
Information in this document applies to any platform.
When using the new parallelStream() method, introduced in Java SE 8, threads created by an application that uses the parallelStreams() method are being blocked by the security manager.
Threads created by other methods use the security settings in the policy file and are not blocked.
A server process is created, use of a Security Manager is enabled, and a "custom.policy" file is generated to be used for all permissions.
The issue faced is that the application fails to function and honor the security settings provided in the "custom.policy"
The following exception is seen.
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