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TEZ-4555: Fail fast in LocalClient if the dirs (log, local) haven't been created #348

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Apr 25, 2024
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TEZ-4555: Fail fast in LocalClient if the dirs (log, local) haven't been created #348

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13 changes: 11 additions & 2 deletions tez-dag/src/main/java/org/apache/tez/client/LocalClient.java
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Original file line number Diff line number Diff line change
Expand Up @@ -331,8 +331,17 @@ public void run() {
// Prepare Environment
Path logDir = new Path(userDir, "localmode-log-dir");
Path localDir = new Path(userDir, "localmode-local-dir");
localFs.mkdirs(logDir);
localFs.mkdirs(localDir);

// fail fast if the local directories (on the paths that were used on HDFS) cannot be created
// in this case, user might want to choose a different staging path, which works on the local FS too
if (!localFs.mkdirs(logDir)) {
throw new IOException(
"Unable to create log directory, try to create it manually for further insights: " + logDir);
}
if (!localFs.mkdirs(localDir)) {
throw new IOException(
"Unable to create local directory, try to create it manually for further insights: " + localDir);
}

UserGroupInformation.setConfiguration(conf);
// Add session specific credentials to the AM credentials.
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