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log tracker exit value in logger

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capture InterruptedException
This commit is contained in:
CodingCat 2016-03-06 17:02:07 -05:00
parent 718a9d8c96
commit c211a80633
1 changed files with 7 additions and 0 deletions
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7
jvm-packages/xgboost4j/src/main/java/ml/dmlc/xgboost4j/java/RabitTracker.java
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@ -47,8 +47,15 @@ public class RabitTracker {
while ((line = reader.readLine()) != null) { while ((line = reader.readLine()) != null) {
trackerProcessLogger.info(line); trackerProcessLogger.info(line);
} }
trackerProcess.get().waitFor();
trackerProcessLogger.info("Tracker Process ends with exit code " +
trackerProcess.get().exitValue());
} catch (IOException ex) { } catch (IOException ex) {
trackerProcessLogger.error(ex.toString()); trackerProcessLogger.error(ex.toString());
} catch (InterruptedException ie) {
// we should not get here as RabitTracker is accessed in the main thread
ie.printStackTrace();
logger.error("the RabitTracker thread is terminated unexpectedly");
} }
} }
} }