maven - 谷歌 BigTable 访问错误
问题描述
我需要在我的 java 应用程序中读取 BigTable。我正在使用 google-cloud-bigtable hbase 客户端。我已将依赖项添加到我的 pom 文件中:
<dependency>
<groupId>com.google.cloud.bigtable</groupId>
<artifactId>bigtable-hbase-1.x</artifactId>
<version>1.3.0</version>
<exclusions>
<exclusion>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
</exclusion>
<exclusion>
<groupId>com.google.api.grpc</groupId>
<artifactId>grpc-google-common-protos</artifactId>
</exclusion>
<exclusion>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
</exclusion>
<exclusion>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
</exclusion>
</exclusions>
</dependency>
并尝试创建连接:
Connection connection = BigtableConfiguration.connect(projectID, instanceID));
当我运行代码时,我收到以下堆栈跟踪:
java.lang.IllegalStateException: Could not find an appropriate constructor for com.google.cloud.bigtable.hbase1_x.BigtableConnection
at com.google.cloud.bigtable.hbase.BigtableConfiguration.connect(BigtableConfiguration.java:128)
at com.google.cloud.bigtable.hbase.BigtableConfiguration.connect(BigtableConfiguration.java:113)
这个问题表明这可以通过设置环境变量 GOOGLE_APPLICATION_CREDENTIALS 来解决。我已将其设置为 systen 上的环境变量和 Eclipse 运行配置上的 Maven 设置,但仍然收到相同的错误。
感谢您的关注。
更新
根据要求更长的堆栈跟踪。请不要被提到的数据流误导,这是试图以标准方式访问 BigTable,而不是作为数据流管道的一部分。
java.lang.IllegalStateException: Could not find an appropriate constructor for com.google.cloud.bigtable.hbase1_x.BigtableConnection
at com.google.cloud.bigtable.hbase.BigtableConfiguration.connect(BigtableConfiguration.java:128)
at com.google.cloud.bigtable.hbase.BigtableConfiguration.connect(BigtableConfiguration.java:113)
at com.ps.pt.BinReader.getBinDetails(BinReader.java:27)
at dataflows.MessageTypesTests.testBinReader(MessageTypesTests.java:136)
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:45)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:538)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:760)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:460)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:206)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.google.cloud.bigtable.hbase.BigtableConfiguration.connect(BigtableConfiguration.java:125)
... 26 more
Caused by: java.lang.NoSuchMethodError: com.google.cloud.bigtable.config.BigtableOptions$Builder.setAdminHost(Ljava/lang/String;)Lcom/google/cloud/bigtable/config/BigtableOptions$Builder;
at com.google.cloud.bigtable.hbase.BigtableOptionsFactory.fromConfiguration(BigtableOptionsFactory.java:301)
at org.apache.hadoop.hbase.client.AbstractBigtableConnection.<init>(AbstractBigtableConnection.java:136)
at org.apache.hadoop.hbase.client.AbstractBigtableConnection.<init>(AbstractBigtableConnection.java:111)
at com.google.cloud.bigtable.hbase1_x.BigtableConnection.<init>(BigtableConnection.java:49)
... 31 more
解决方案
堆栈跟踪最相关的部分在这里:
Caused by: java.lang.NoSuchMethodError: com.google.cloud.bigtable.config.BigtableOptions$Builder.setAdminHost(Ljava/lang/String;)Lcom/google/cloud/bigtable/config/BigtableOptions$Builder;
at com.google.cloud.bigtable.hbase.BigtableOptionsFactory.fromConfiguration(BigtableOptionsFactory.java:301)
从这些行中,我们可以看到BigtableOptionsFactory
在 bigtable-hbase jar 中声明的 正在尝试调用BigtableOptions.setAdminHost
在 bigtable-client-core 中声明的 。鉴于NoSuchMethodError
,这意味着当我们在 1.3.0 编译 bigtable-hbase jar 时,该BigtableOptions.setAdminHost
方法在 bigtable-client-core 1.3.0 jar 中可用。因此,您的两个 jar 版本很可能不匹配。其实在https://github.com/googleapis/java-bigtable-hbase/commit/6c0756973b12e5fd2a9546a49342bb7e96ae28b3中添加了 setAdminHost 作为方法,在 1.1.0 版本中合并了,所以你的 bigtable-client-core 可能是一个版本从那之前。你能证实吗?
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