hg: jdk/jdk15: 8247438: JShell: When FailOverExecutionControlProvider fails the proximal cause is not shown; ...

[robert.field at oracle.com]

Changeset: d90ab2b4e119
Author:    rfield
Date:      2020-06-26 18:20 -0700
URL:       https://hg.openjdk.java.net/jdk/jdk15/rev/d90ab2b4e119

8247438: JShell: When FailOverExecutionControlProvider fails the proximal cause is not shown
8237743: test/langtools/jdk/jshell/FailOverExecutionControlTest.java fails No ExecutionControlProvider with name 'nonExistent' and parameter keys: []
8199646: JShell tests: jdk/jshell/FailOverDirectExecutionControlTest.java failed with java.lang.UnsupportedOperationException
Reviewed-by: jlahoda

! src/jdk.jshell/share/classes/jdk/jshell/execution/FailOverExecutionControlProvider.java
! test/langtools/jdk/jshell/ExecutionControlTestBase.java
! test/langtools/jdk/jshell/FailOverDirectExecutionControlTest.java
! test/langtools/jdk/jshell/FailOverExecutionControlDyingLaunchTest.java
! test/langtools/jdk/jshell/FailOverExecutionControlHangingLaunchTest.java
! test/langtools/jdk/jshell/FailOverExecutionControlHangingListenTest.java
! test/langtools/jdk/jshell/FailOverExecutionControlTest.java