hg: jdk/hs: 8165736: Error message should be shown when JVMTI agent cannot be attached

[serguei.spitsyn at oracle.com]

Changeset: bc1cffa26561
Author:    ysuenaga
Date:      2017-11-29 09:26 +0900
URL:       http://hg.openjdk.java.net/jdk/hs/rev/bc1cffa26561

8165736: Error message should be shown when JVMTI agent cannot be attached
Reviewed-by: sspitsyn, dholmes

! make/test/JtregNativeHotspot.gmk
! src/hotspot/share/prims/jvmtiExport.cpp
! src/jdk.attach/share/classes/sun/tools/attach/HotSpotVirtualMachine.java
+ test/hotspot/jtreg/serviceability/dcmd/jvmti/AttachFailed/AttachFailedTestBase.java
+ test/hotspot/jtreg/serviceability/dcmd/jvmti/AttachFailed/AttachIncorrectLibrary.java
+ test/hotspot/jtreg/serviceability/dcmd/jvmti/AttachFailed/AttachNoEntry.java
+ test/hotspot/jtreg/serviceability/dcmd/jvmti/AttachFailed/AttachReturnError.java
+ test/hotspot/jtreg/serviceability/dcmd/jvmti/AttachFailed/libHasNoEntryPoint.c
+ test/hotspot/jtreg/serviceability/dcmd/jvmti/AttachFailed/libReturnError.c
! test/jdk/com/sun/tools/attach/StartManagementAgent.java