[GitHub] L-Angel edited a comment on issue #2062: NPE when use callback and injvm together

[GitBox <gi...@apache.org>]

L-Angel edited a comment on issue #2062: NPE when use callback and injvm together
URL: https://github.com/apache/incubator-dubbo/issues/2062#issuecomment-404037529
 
 
   @diecui1202 @beiwei30  i push a demo project  that remove internal information to github on weekends.
   The program arise NPE when set url parameter value to dubbo://localhost:20880 in reference tag.
   And the part where the NPE occurs is as bellow in file CallbackServiceCodeC.decodeInvocationArgument
   * Integer.parseInt(inv.getAttachment(INV_ATT_CALLBACK_KEY + paraIndex))*
   ```
    case CallbackServiceCodec.CALLBACK_CREATE:
                   try {
                       return referOrdestroyCallbackService(channel, url, pts[paraIndex], inv, Integer.parseInt(inv.getAttachment(INV_ATT_CALLBACK_KEY + paraIndex)), true);
                   } catch (Exception e) {
                       logger.error(e.getMessage(), e);
                       throw new IOException(StringUtils.toString(e));
                   }
   ```
   

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