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[BugFix] Fix "Connection pool shut down" in S3AFileSystem (StarRocks#…
…50816) Signed-off-by: Smith Cruise <[email protected]> Signed-off-by: zhiminr.ren <[email protected]>
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51
...c/main/java/com/starrocks/credential/provider/OverwriteAwsDefaultCredentialsProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| // Copyright 2021-present StarRocks, Inc. All rights reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
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| package com.starrocks.credential.provider; | ||
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| import software.amazon.awssdk.auth.credentials.AwsCredentials; | ||
| import software.amazon.awssdk.auth.credentials.AwsCredentialsProvider; | ||
| import software.amazon.awssdk.auth.credentials.DefaultCredentialsProvider; | ||
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| // We have to implement DefaultCredentialsProvider by ourselves, | ||
| // otherwise we may face "java.lang.IllegalStateException: Connection pool shut down" error. | ||
| // | ||
| // Hadoop S3AFileSystem will call `static AwsCredentialsProvider::create()` to create CredentialsProvider. | ||
| // But in DefaultCredentialsProvider::create(), it will only return a global static variable. | ||
| // If we close S3AFileSystem, it will also close CredentialsProvider. | ||
| // For the next time we create a new S3AFileSystem, it will reuse previous closed CredentialsProvider, then error will be thrown | ||
| // You can check details in link: | ||
| // https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/troubleshooting.html#faq-connection-pool-shutdown-exception | ||
| public class OverwriteAwsDefaultCredentialsProvider implements AwsCredentialsProvider { | ||
| public static DefaultCredentialsProvider create() { | ||
| return DefaultCredentialsProvider.builder().build(); | ||
| } | ||
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| // We should not call this function, here will return an anonymous credentials | ||
| @Override | ||
| public AwsCredentials resolveCredentials() { | ||
| // Defense code, return anonymous credentials | ||
| return new AwsCredentials() { | ||
| @Override | ||
| public String accessKeyId() { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public String secretAccessKey() { | ||
| return null; | ||
| } | ||
| }; | ||
| } | ||
| } |
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