Github user neykov commented on a diff in the pull request:
https://github.com/apache/brooklyn-server/pull/560#discussion_r103718993
--- Diff:
launcher/src/main/java/org/apache/brooklyn/launcher/BrooklynWebServer.java ---
@@ -447,7 +450,14 @@ public synchronized void start() throws Exception {
rootContext.setTempDirectory(Os.mkdirs(new File(webappTempDir,
"war-root")));
server.setHandler(handlers);
- server.start();
+ try {
+ server.start();
+ } catch (BindException e) {
+ // retry once just in case it was some fluke or race
+ log.warn("Initial server start-up failed binding (retrying
after a delay): "+e);
+ Time.sleep(Duration.millis(500));
+ server.start();
+ }
--- End diff --
Wdyt about catching the second `BindException` in the test that used to
fail (in case the backoff is not good enough) and dump some [troubleshooting
details](https://github.com/apache/incubator-brooklyn/pull/657/files#diff-2219dcab34c5379452f6ac98854d8dd0R88)?
Seems the problem is rare and it's hard to get to the root cause just by
re-running jobs on the slaves.
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