Program: 45770
Project: 45770
Buggy source:
/** 
 * Applies the   {@code partitionState} sent by the {@code sender} if the new state is newer than the current oneand finalizes the migrations. This method does not validate the sender. It is caller method's responsibility. This method will acquire the partition service lock.
 * @param partitionState the new partition state
 * @param sender         the sender of the new partition state
 * @return {@code true} if the partition state version is higher than the current one and was applied orif the partition state version is same as the current one
 */
private boolean applyNewState(PartitionRuntimeState partitionState,Address sender){
  try {
    if (!lock.tryLock(PTABLE_SYNC_TIMEOUT_SECONDS,TimeUnit.SECONDS)) {
      return false;
    }
  }
 catch (  InterruptedException e) {
    Thread.currentThread().interrupt();
    return false;
  }
  try {
    final int newVersion=partitionState.getVersion();
    final int currentVersion=partitionStateManager.getVersion();
    if (newVersion < currentVersion) {
      logger.warning("String_Node_Str" + currentVersion + "String_Node_Str"+ newVersion+ "String_Node_Str"+ sender);
      return false;
    }
 else     if (newVersion == currentVersion) {
      if (logger.isFineEnabled()) {
        logger.fine("String_Node_Str" + currentVersion + "String_Node_Str"+ newVersion+ "String_Node_Str"+ sender);
      }
      return true;
    }
    filterAndLogUnknownAddressesInPartitionTable(sender,partitionState.getPartitionTable());
    updatePartitionsAndFinalizeMigrations(partitionState);
    return true;
  }
  finally {
    lock.unlock();
  }
}

Fixed version (ground truth):
/** 
 * Applies the   {@code partitionState} sent by the {@code sender} if the new state is newer than the current oneand finalizes the migrations. This method does not validate the sender. It is caller method's responsibility. This method will acquire the partition service lock.
 * @param partitionState the new partition state
 * @param sender         the sender of the new partition state
 * @return {@code true} if the partition state version is higher than the current one and was applied orif the partition state version is same as the current one
 */
private boolean applyNewState(PartitionRuntimeState partitionState,Address sender){
  try {
    if (!lock.tryLock(PTABLE_SYNC_TIMEOUT_SECONDS,SECONDS)) {
      return false;
    }
  }
 catch (  InterruptedException e) {
    Thread.currentThread().interrupt();
    return false;
  }
  try {
    final int newVersion=partitionState.getVersion();
    final int currentVersion=partitionStateManager.getVersion();
    if (newVersion < currentVersion) {
      logger.warning("String_Node_Str" + currentVersion + "String_Node_Str"+ newVersion+ "String_Node_Str"+ sender);
      return false;
    }
 else     if (newVersion == currentVersion) {
      if (logger.isFineEnabled()) {
        logger.fine("String_Node_Str" + currentVersion + "String_Node_Str"+ newVersion+ "String_Node_Str"+ sender);
      }
      return true;
    }
    filterAndLogUnknownAddressesInPartitionTable(sender,partitionState.getPartitionTable());
    updatePartitionsAndFinalizeMigrations(partitionState);
    return true;
  }
  finally {
    lock.unlock();
  }
}