Program: 17962
Project: 17962
Buggy source:
private void runSynchronously(RequestQueue queue,SolrQueryRequest req) throws InterruptedException, IOException {
  SolrCore core=req.getCore();
  RequestData data=queue.pop();
  SolrParams params=data.getReqParams();
  LocalSolrQueryRequest locReq=new LocalSolrQueryRequest(req.getCore(),params);
  try {
    if (data.handler.equals("String_Node_Str")) {
      runDiscovery(locReq);
      return;
    }
 else     if (data.handler.equals("String_Node_Str")) {
      runIndexingOfDiscovered(locReq);
      return;
    }
 else     if (data.handler.equals("String_Node_Str")) {
      runDeleteRecords(locReq,data);
      return;
    }
    SolrRequestHandler handler=req.getCore().getRequestHandler(data.handler);
    setWorkerMessage("String_Node_Str" + data.handler + "String_Node_Str"+ locReq.getParamString());
    SolrQueryResponse rsp;
    boolean repeat=false;
    int maxRepeat=10;
    do {
      rsp=new SolrQueryResponse();
      core.execute(handler,locReq,rsp);
      String is=(String)rsp.getValues().get("String_Node_Str");
      if (is == null) {
        setWorkerMessage("String_Node_Str" + data.handler + "String_Node_Str"+ rsp.getValues().toString());
        break;
      }
      if (is.equals("String_Node_Str")) {
        repeat=true;
        try {
          Thread.sleep(sleepTime);
        }
 catch (        InterruptedException e) {
          queue.reInsert(data);
          throw e;
        }
        setWorkerMessage("String_Node_Str" + data.handler);
      }
 else {
        repeat=false;
      }
      setWorkerMessage("String_Node_Str" + data.handler + "String_Node_Str"+ rsp.getValues().toString());
      if (maxRepeat-- < 0) {
        setWorkerMessage("String_Node_Str");
        try {
          queue.registerFailedBatch(req.getParamString());
        }
 catch (        UnsupportedEncodingException e) {
          log.error(e.getMessage());
        }
        repeat=false;
      }
 else {
        locReq.close();
        locReq=new LocalSolrQueryRequest(req.getCore(),params);
      }
    }
 while (repeat);
  }
  finally {
    locReq.close();
  }
}

Fixed version (ground truth):
private void runSynchronously(RequestQueue queue,SolrQueryRequest req) throws InterruptedException, IOException {
  SolrCore core=req.getCore();
  RequestData data=queue.pop();
  SolrParams params=data.getReqParams();
  LocalSolrQueryRequest locReq=new LocalSolrQueryRequest(req.getCore(),params);
  long startTime=System.currentTimeMillis();
  try {
    if (data.handler.equals("String_Node_Str")) {
      runDiscovery(locReq);
      return;
    }
 else     if (data.handler.equals("String_Node_Str")) {
      runIndexingOfDiscovered(locReq);
      return;
    }
 else     if (data.handler.equals("String_Node_Str")) {
      runDeleteRecords(locReq,data);
      return;
    }
    SolrRequestHandler handler=req.getCore().getRequestHandler(data.handler);
    setWorkerMessage("String_Node_Str" + data.handler + "String_Node_Str"+ locReq.getParamString());
    SolrQueryResponse rsp;
    boolean repeat=false;
    int maxRepeat=10;
    do {
      rsp=new SolrQueryResponse();
      core.execute(handler,locReq,rsp);
      String is=(String)rsp.getValues().get("String_Node_Str");
      if (is == null) {
        setWorkerMessage("String_Node_Str" + data.handler + "String_Node_Str"+ rsp.getValues().toString());
        break;
      }
      if (is.equals("String_Node_Str")) {
        repeat=true;
        try {
          Thread.sleep(sleepTime);
        }
 catch (        InterruptedException e) {
          queue.reInsert(data);
          throw e;
        }
        setWorkerMessage("String_Node_Str" + data.handler);
      }
 else {
        repeat=false;
      }
      setWorkerMessage("String_Node_Str" + data.handler + "String_Node_Str"+ rsp.getValues().toString());
      if (maxRepeat-- < 0) {
        setWorkerMessage("String_Node_Str");
        try {
          queue.registerFailedBatch(req.getParamString());
        }
 catch (        UnsupportedEncodingException e) {
          log.error(e.getMessage());
        }
        repeat=false;
      }
 else {
        locReq.close();
        locReq=new LocalSolrQueryRequest(req.getCore(),params);
      }
    }
 while (repeat);
  }
  finally {
    locReq.close();
    setWorkerMessage("String_Node_Str" + (System.currentTimeMillis() - startTime) + "String_Node_Str");
  }
}