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SOLR-986 -- Return invalid error codes in case of an exception or an error while waiting for external process 

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@741257 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Shalin Shekhar Mangar 2009-02-05 19:38:52 +00:00
parent 4d4c5e0e1f
commit 23ab5e1869
1 changed files with 13 additions and 0 deletions
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13
src/java/org/apache/solr/core/RunExecutableListener.java
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@ -61,6 +61,14 @@ class RunExecutableListener extends AbstractSolrEventListener {
if ("false".equals(args.get("wait")) || Boolean.FALSE.equals(args.get("wait"))) wait=false;
}
/**
* External executable listener.
*
* @param callback Unused (As of solr 1.4-dev)
* @return Error code indicating if the command has executed successfully. <br />
* 0 , indicates normal termination.<br />
* non-zero , otherwise.
*/
protected int exec(String callback) {
int ret = 0;
@ -76,6 +84,7 @@ class RunExecutableListener extends AbstractSolrEventListener {
ret = proc.waitFor();
} catch (InterruptedException e) {
SolrException.log(log,e);
ret = INVALID_PROCESS_RETURN_CODE;
}
}
@ -86,6 +95,7 @@ class RunExecutableListener extends AbstractSolrEventListener {
} catch (IOException e) {
// don't throw exception, just log it...
SolrException.log(log,e);
ret = INVALID_PROCESS_RETURN_CODE;
}
return ret;
@ -103,4 +113,7 @@ class RunExecutableListener extends AbstractSolrEventListener {
exec("newSearcher");
}
/** Non-zero value for an invalid return code **/
private static int INVALID_PROCESS_RETURN_CODE = -1;
}