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From "wujinhu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-15953) AliyunOSS: exception will be thrown if set fs.oss.credentials.provider to AliyunCredentialsProvider
Date Wed, 28 Nov 2018 01:27:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-15953?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

wujinhu updated HADOOP-15953:
-----------------------------
    Issue Type: Improvement  (was: Bug)

> AliyunOSS: exception will be thrown if set fs.oss.credentials.provider to AliyunCredentialsProvider
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-15953
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15953
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs/oss
>    Affects Versions: 2.10.0, 3.2.0, 2.9.2, 3.0.3, 3.3.0, 3.1.2
>            Reporter: wujinhu
>            Assignee: wujinhu
>            Priority: Major
>         Attachments: HADOOP-15953.001.patch
>
>
> Hadoop aliyun module uses AliyunCredentialsProvider as default CredentialsProvider
if user do not set fs.oss.credentials.provider. However, if user set fs.oss.credentials.provider
to org.apache.hadoop.fs.aliyun.oss.AliyunCredentialsProvider, exception will be thrown like
below:
>  
> {code:java}
> java.io.IOException: org.apache.hadoop.fs.aliyun.oss.AliyunCredentialsProvider constructor
exception. A class specified in fs.oss.credentials.provider must provide an accessible constructor
accepting URI and Configuration, or an accessible default constructor.
>  at org.apache.hadoop.fs.aliyun.oss.AliyunOSSUtils.getCredentialsProvider(AliyunOSSUtils.java:131)
>  at org.apache.hadoop.fs.aliyun.oss.AliyunOSSFileSystemStore.initialize(AliyunOSSFileSystemStore.java:154)
>  at org.apache.hadoop.fs.aliyun.oss.AliyunOSSFileSystem.initialize(AliyunOSSFileSystem.java:344)
>  at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:3302)
>  at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:124)
>  at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:3351)
>  at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3319)
>  at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:479)
>  at org.apache.hadoop.fs.contract.AbstractBondedFSContract.init(AbstractBondedFSContract.java:72)
>  at org.apache.hadoop.fs.contract.AbstractFSContractTestBase.setup(AbstractFSContractTestBase.java:177)
>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  at java.lang.reflect.Method.invoke(Method.java:498)
>  at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
>  at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>  at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
>  at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
>  at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
>  at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
>  at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
>  at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
>  at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>  at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.NoSuchMethodException: org.apache.hadoop.fs.aliyun.oss.AliyunCredentialsProvider.<init>()
>  at java.lang.Class.getConstructor0(Class.java:3082)
>  at java.lang.Class.getDeclaredConstructor(Class.java:2178)
>  at org.apache.hadoop.fs.aliyun.oss.AliyunOSSUtils.getCredentialsProvider(AliyunOSSUtils.java:125)
>  ... 23 more
> {code}
> Because AliyunCredentialsProvider does not have corresponding constructor.
> {code:java}
> public class AliyunCredentialsProvider implements CredentialsProvider {
>   private Credentials credentials = null;
>   public AliyunCredentialsProvider(Configuration conf) throws IOException {
> --------------------------------------------------
> String className = conf.getTrimmed(CREDENTIALS_PROVIDER_KEY);
> if (StringUtils.isEmpty(className)) {
>   Configuration newConf =
>       ProviderUtils.excludeIncompatibleCredentialProviders(conf,
>           AliyunOSSFileSystem.class);
>   credentials = new AliyunCredentialsProvider(newConf);
> } else {
>   try {
>     LOG.debug("Credential provider class is:" + className);
>     Class<?> credClass = Class.forName(className);
>     try {
>       credentials =
>           (CredentialsProvider)credClass.getDeclaredConstructor(
>               URI.class, Configuration.class).newInstance(uri, conf);
>     } catch (NoSuchMethodException | SecurityException e) {
>       credentials =
>           (CredentialsProvider)credClass.getDeclaredConstructor()
>           .newInstance();
>     }
>   } catch (ClassNotFoundException e) {
> {code}
>  



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