dvjyothsna commented on a change in pull request #1560: DRILL-6877: NPE when
starting Drillbit
URL: https://github.com/apache/drill/pull/1560#discussion_r239594503
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/server/Drillbit.java
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@@ -374,17 +374,22 @@ public void run () {
}
private void pollShutdown(Drillbit drillbit) throws IOException,
InterruptedException {
- final Path drillPidDirPath =
FileSystems.getDefault().getPath(System.getenv("DRILL_PID_DIR"));
- final String gracefulFileName = System.getenv("GRACEFUL_SIGFILE");
+ final String drillHome = System.getenv("DRILL_HOME");
+ final String gracefulFile = System.getenv("GRACEFUL_SIGFILE");
+ if (drillHome == null || gracefulFile == null) {
+ logger.warn("Cannot access graceful file. Graceful shutdown from
command line will not be supported.");
+ return;
+ }
+ final Path drillHomePath = Paths.get(drillHome);
Review comment:
@arina-ielchiieva
1. Added try-catch block while getting the drillHome path. What do you mean
by if it is not set correctly? Both script and the code access the same
variable and create or look for the graceful file.
2. Updated the PR.
3. Added java doc.
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