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https://issues.apache.org/jira/browse/HADOOP-15953?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
wujinhu updated HADOOP-15953:
-----------------------------
Resolution: Won't Fix
Status: Resolved (was: Patch Available)
> AliyunOSS: make AliyunCredentialsProvider compatible with the required
> constructor
> ----------------------------------------------------------------------------------
>
> 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-15953.002.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 {
> --------------------------------------------------
> try {
> credentials =
> (CredentialsProvider)credClass.getDeclaredConstructor(
> URI.class, Configuration.class).newInstance(uri, conf);
> } catch (NoSuchMethodException | SecurityException e) {
> credentials =
> (CredentialsProvider)credClass.getDeclaredConstructor()
> .newInstance();
> }
> {code}
>
> *Although the documentation says you should provide a `specified class must
> provide an accessible constructor accepting java.net.URI and
> org.apache.hadoop.conf.Configuration` if you set this configuration*, we
> should make
> *AliyunCredentialsProvider* compatible with this.
> {code:java}
> <property>
> <name>fs.oss.credentials.provider</name>
> <description>
> Class name of a credentials provider that implements
> com.aliyun.oss.common.auth.CredentialsProvider. Omit if using
> access/secret keys
> or another authentication mechanism. The specified class must provide an
> accessible constructor accepting java.net.URI and
> org.apache.hadoop.conf.Configuration, or an accessible default
> constructor.
> </description>
> </property>
> {code}
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