Github user neykov commented on a diff in the pull request:
https://github.com/apache/brooklyn-server/pull/498#discussion_r94418841
--- Diff:
software/base/src/main/java/org/apache/brooklyn/entity/software/base/AbstractSoftwareProcessSshDriver.java
---
@@ -613,22 +614,29 @@ protected ScriptHelper newScript(Map<String, ?>
flags, String phase) {
// no pid, not running; 1 is not running
s.requireResultCode(Predicates.or(Predicates.equalTo(0),
Predicates.equalTo(1)));
} else if (STOPPING.equals(phase)) {
+ String stopCommand = Joiner.on('\n').join("PID=$(cat
"+pidFile + ")",
+ "test -n \"$PID\" || exit 0",
+ "SIGTERM_USED=\"\"",
+ "for i in $(seq 1 16); do",
+ " if ps -p $PID > /dev/null ; then",
+ " kill $PID",
+ " echo $PID is still running.",
+ " else",
+ " echo Process $PID stopped successfully.",
+ " SIGTERM_USED=\"true\"",
+ " break",
+ " fi",
+ " sleep 1",
+ "done",
+ "if test -z $SIGTERM_USED; then",
+ " kill -9 $PID",
+ " echo Process $PID stopped with SIGKILL",
--- End diff --
Same here - `Sent SIGKILL to $PID`. The process could be locked in kernel
space so even `kill -9` won't kill it.
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