Hi Tongxin,
This is a bug introduced by KYLIN-1982. Would you please open a JIRA and
contribute a patch if possible? Thanks.
2016-10-17 15:27 GMT+08:00 仇同心 <qiutong...@jd.com>:
> Hi,
>
> Throw an exception information when using
> org.apache.kylin.storage.hbase.util
> .CubeMigrationCLI migration cube, kylin version is kylin-1.5.4.1-HBase1.x.
>
>
>
> 2016-10-17 14:57:25,595 INFO [main CubeMigrationCLI:325]: Executing
> operation: ADD_INTO_PROJECT:CUBE[name=testc], testc, test,
>
> 2016-10-17 14:57:25,595 ERROR [main CubeMigrationCLI:307]: error met
>
> java.lang.ClassCastException: org.apache.kylin.cube.CubeInstance cannot
> be cast to java.lang.String
>
> at org.apache.kylin.storage.hbase.util.CubeMigrationCLI.
> doOpt(CubeMigrationCLI.java:425)
>
> at org.apache.kylin.storage.hbase.util.CubeMigrationCLI.
> doOpts(CubeMigrationCLI.java:304)
>
> at org.apache.kylin.storage.hbase.util.CubeMigrationCLI.
> moveCube(CubeMigrationCLI.java:153)
>
> at org.apache.kylin.storage.hbase.util.CubeMigrationCLI.
> moveCube(CubeMigrationCLI.java:167)
>
> at org.apache.kylin.storage.hbase.util.CubeMigrationCLI.
> main(CubeMigrationCLI.java:102)
>
> 2016-10-17 14:57:25,597 INFO [main CubeMigrationCLI:308]: Try undoing
> previous changes
>
>
>
> In github , the source code of kylin - 1.5.4.1 - HBase1. X branch:
>
> case ADD_INTO_PROJECT: {
>
> String cubeName = (String) opt.params[0];
>
> String projectName = (String) opt.params[1];
>
> String projectResPath = ProjectInstance.
> concatResourcePath(projectName);
>
> Serializer<ProjectInstance> projectSerializer = new
> JsonSerializer<ProjectInstance>(ProjectInstance.class);
>
> ProjectInstance project = dstStore.getResource(projectResPath,
> ProjectInstance.class, projectSerializer);
>
> project.removeRealization(RealizationType.CUBE, cubeName);
>
> project.addRealizationEntry(RealizationType.CUBE,
> cubeName);
>
> dstStore.putResource(projectResPath, project,
> projectSerializer);
>
> logger.info("Project instance for " + projectName + " is
> corrected");
>
> break;
>
> }
>
>
>
> This version of kylin 1.5.4.1 -- cdh5.7 is the same.
>
>
>
>
>
> the source code of master X branch:
>
> case ADD_INTO_PROJECT: {
>
> CubeInstance srcCube = (CubeInstance) opt.params[0];
>
> String cubeName = (String) opt.params[1];
>
> String projectName = (String) opt.params[2];
>
> String modelName = srcCube.getDescriptor().getModelName();
>
>
>
> String projectResPath = ProjectInstance.concatResourcePath(
> projectName);
>
> Serializer<ProjectInstance> projectSerializer = new
> JsonSerializer<ProjectInstance>(ProjectInstance.class);
>
> ProjectInstance project = dstStore.getResource(projectResPath,
> ProjectInstance.class, projectSerializer);
>
>
>
> project.addModel(modelName);
>
> project.removeRealization(RealizationType.CUBE, cubeName);
>
> project.addRealizationEntry(RealizationType.CUBE, cubeName);
>
>
>
> dstStore.putResource(projectResPath, project,
> projectSerializer);
>
> logger.info("Project instance for " + projectName + " is
> corrected");
>
> break;.
>
> }
>
>
>
> I compare the two source code: kylin - 1.5.4.1 - HBase1. X branch 、kylin
> 1.5.4.1 -- cdh5.7 and master, I think in kylin - 1.5.4.1 - HBase1 .x 、kylin
> 1.5.4.1 -- cdh5.7 branch , the code of CubeMigrationCLI is wrong?
>
>
>
> Thank you!
>
--
Best regards,
Shaofeng Shi 史少锋
