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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2020/11/27 01:54:09 UTC
[GitHub] [incubator-doris] wuyunfeng opened a new issue #4970: [Doris On ES][Bug] When `random` select BE for requesting shards of ES, some incredible bug would occurs
wuyunfeng opened a new issue #4970:
URL: https://github.com/apache/incubator-doris/issues/4970
**Describe the bug**
```
public TNetworkAddress randomAddress(Map<String, EsNodeInfo> nodesInfo) {
int seed = new Random().nextInt() % nodesInfo.size();
EsNodeInfo[] nodeInfos = (EsNodeInfo[]) nodesInfo.values().toArray();
return nodeInfos[seed].getPublishAddress();
}
```
1. Random().nextInt() would return negative int number resulting in `java.lang.ArrayIndexOutOfBoundsException`
2. (EsNodeInfo[]) nodesInfo.values().toArray() this would lead `java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to [Lorg.apache.doris.external.elasticsearch.EsNodeInfo`
**To Reproduce**
Has something to do with some `incredible` environment
**Expected behavior**
A clear and concise description of what you expected to happen.
**Screenshots**
If applicable, add screenshots to help explain your problem.
**Desktop (please complete the following information):**
- OS: [e.g. iOS]
- Browser [e.g. chrome, safari]
- Version [e.g. 22]
**Smartphone (please complete the following information):**
- Device: [e.g. iPhone6]
- OS: [e.g. iOS8.1]
- Browser [e.g. stock browser, safari]
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**Additional context**
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[GitHub] [incubator-doris] morningman closed issue #4970: [Doris On ES][Bug] When `random` select BE for requesting shards of ES, some incredible bug would occurs
Posted by GitBox <gi...@apache.org>.
morningman closed issue #4970:
URL: https://github.com/apache/incubator-doris/issues/4970
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