軟件版本:
hive1.2.1 ,eclipse4.5,maven3.2 ,JDK1.7
軟件準備:
hive:
環境準備:
(1). 安裝好的Hadoop集羣(僞分佈式亦可);
(2) linux 下maven環境;(這裏需要說下,maven編譯hive,在windows下是不通的,因爲裏面需要bash的支持,所以直接使用linux編譯hive就好)
0. 編譯前,建議把maven的local_reposity 配置下,同時配置源如下(開源中國的maven源,相對國外的源較快):
- <mirror>
- <id>nexus-osc</id>
- <mirrorOf>central</mirrorOf>
- <name>Nexus osc</name>
- <url>http://maven.oschina.net/content/groups/public/</url>
- </mirror>
- <mirror>
- <id>nexus-osc-thirdparty</id>
- <mirrorOf>thirdparty</mirrorOf>
- <name>Nexus osc thirdparty</name>
- <url>http://maven.oschina.net/content/repositories/thirdparty/</url>
- </mirror>
1. 編譯Hive,下載hive1.2.1的源碼,並解壓到linux某目錄,按照下面的命令進行編譯(進入hive源碼解壓後路徑):
(1)mvn clean install -DskipTests -Phadoop-2
- [INFO] Reactor Summary:
- [INFO]
- [INFO] Hive ............................................... SUCCESS [ 4.457 s]
- [INFO] Hive Shims Common .................................. SUCCESS [ 5.047 s]
- [INFO] Hive Shims 0.20S ................................... SUCCESS [ 2.017 s]
- [INFO] Hive Shims 0.23 .................................... SUCCESS [ 7.157 s]
- [INFO] Hive Shims Scheduler ............................... SUCCESS [ 1.796 s]
- [INFO] Hive Shims ......................................... SUCCESS [ 1.674 s]
- [INFO] Hive Common ........................................ SUCCESS [ 5.711 s]
- [INFO] Hive Serde ......................................... SUCCESS [ 7.577 s]
- [INFO] Hive Metastore ..................................... SUCCESS [ 18.044 s]
- [INFO] Hive Ant Utilities ................................. SUCCESS [ 1.373 s]
- [INFO] Spark Remote Client ................................ SUCCESS [ 10.962 s]
- [INFO] Hive Query Language ................................ SUCCESS [05:12 min]
- [INFO] Hive Service ....................................... SUCCESS [ 42.408 s]
- [INFO] Hive Accumulo Handler .............................. SUCCESS [01:40 min]
- [INFO] Hive JDBC .......................................... SUCCESS [ 9.021 s]
- [INFO] Hive Beeline ....................................... SUCCESS [ 12.194 s]
- [INFO] Hive CLI ........................................... SUCCESS [ 12.576 s]
- [INFO] Hive Contrib ....................................... SUCCESS [ 3.031 s]
- [INFO] Hive HBase Handler ................................. SUCCESS [01:54 min]
- [INFO] Hive HCatalog ...................................... SUCCESS [ 28.797 s]
- [INFO] Hive HCatalog Core ................................. SUCCESS [ 5.609 s]
- [INFO] Hive HCatalog Pig Adapter .......................... SUCCESS [ 23.254 s]
- [INFO] Hive HCatalog Server Extensions .................... SUCCESS [01:15 min]
- [INFO] Hive HCatalog Webhcat Java Client .................. SUCCESS [ 2.036 s]
- [INFO] Hive HCatalog Webhcat .............................. SUCCESS [ 49.390 s]
- [INFO] Hive HCatalog Streaming ............................ SUCCESS [ 4.387 s]
- [INFO] Hive HWI ........................................... SUCCESS [ 1.768 s]
- [INFO] Hive ODBC .......................................... SUCCESS [ 1.053 s]
- [INFO] Hive Shims Aggregator .............................. SUCCESS [ 0.111 s]
- [INFO] Hive TestUtils ..................................... SUCCESS [ 0.550 s]
- [INFO] Hive Packaging ..................................... SUCCESS [ 3.195 s]
- [INFO] ------------------------------------------------------------------------
- [INFO] BUILD SUCCESS
- [INFO] ------------------------------------------------------------------------
- [INFO] Total time: 14:31 min
- [INFO] Finished at: 2015-10-15T05:25:11-07:00
- [INFO] Final Memory: 89M/416M
(2)清空相關輸出:
mvn eclipse:clean
(3)編譯成eclipse工程:
mvn eclipse:eclipse -DdownloadSources -DdownloadJavadocs -Phadoop-2
- [INFO] Reactor Summary:
- [INFO]
- [INFO] Hive ............................................... SUCCESS [ 7.396 s]
- [INFO] Hive Shims Common .................................. SUCCESS [ 3.983 s]
- [INFO] Hive Shims 0.20S ................................... SUCCESS [ 2.734 s]
- [INFO] Hive Shims 0.23 .................................... SUCCESS [ 16.801 s]
- [INFO] Hive Shims Scheduler ............................... SUCCESS [ 2.143 s]
- [INFO] Hive Shims ......................................... SUCCESS [ 1.958 s]
- [INFO] Hive Common ........................................ SUCCESS [ 4.495 s]
- [INFO] Hive Serde ......................................... SUCCESS [ 6.760 s]
- [INFO] Hive Metastore ..................................... SUCCESS [ 3.512 s]
- [INFO] Hive Ant Utilities ................................. SUCCESS [ 0.252 s]
- [INFO] Spark Remote Client ................................ SUCCESS [ 6.719 s]
- [INFO] Hive Query Language ................................ SUCCESS [ 7.988 s]
- [INFO] Hive Service ....................................... SUCCESS [ 55.204 s]
- [INFO] Hive Accumulo Handler .............................. SUCCESS [11:49 min]
- [INFO] Hive JDBC .......................................... SUCCESS [ 1.607 s]
- [INFO] Hive Beeline ....................................... SUCCESS [35:22 min]
- [INFO] Hive CLI ........................................... SUCCESS [01:28 min]
- [INFO] Hive Contrib ....................................... SUCCESS [ 1.797 s]
- [INFO] Hive HBase Handler ................................. SUCCESS [10:35 min]
- [INFO] Hive HCatalog ...................................... SUCCESS [ 5.775 s]
- [INFO] Hive HCatalog Core ................................. SUCCESS [01:23 min]
- [INFO] Hive HCatalog Pig Adapter .......................... SUCCESS [01:10 min]
- [INFO] Hive HCatalog Server Extensions .................... SUCCESS [07:20 min]
- [INFO] Hive HCatalog Webhcat Java Client .................. SUCCESS [ 1.968 s]
- [INFO] Hive HCatalog Webhcat .............................. SUCCESS [01:53 min]
- [INFO] Hive HCatalog Streaming ............................ SUCCESS [ 2.089 s]
- [INFO] Hive HWI ........................................... SUCCESS [ 1.816 s]
- [INFO] Hive ODBC .......................................... SUCCESS [ 1.284 s]
- [INFO] Hive Shims Aggregator .............................. SUCCESS [ 0.064 s]
- [INFO] Hive TestUtils ..................................... SUCCESS [ 2.947 s]
- [INFO] Hive Packaging ..................................... SUCCESS [ 2.837 s]
- [INFO] ------------------------------------------------------------------------
- [INFO] BUILD SUCCESS
- [INFO] ------------------------------------------------------------------------
- [INFO] Total time: 01:13 h
- [INFO] Finished at: 2015-10-15T19:53:05-07:00
- [INFO] Final Memory: 68M/306M
這個過程會比較慢;
編譯後,文件大小大概有:391M左右
2. 編譯後工程導入eclipse中
這裏導入需要分爲兩種情況,分爲導入windows下的eclipse和導入linux下的eclipse中;(因爲一般使用機器都是windows的,所以如果可以使用windows,則最好)
2.1 工程導入windows的eclipse中;
打開eclipse,右鍵-> Import ,選擇編譯後的文件夾(這裏需要把編譯後的文件下載到windows上);即可看到如下的界面:
當然,這裏會有些錯誤,比如jdk/tool.jar找不到等等,這個是因爲編譯的jdk和windows的jdk不一樣,調整下即可。
(1)運行 hive-cli 工程的CliDriver(當然,要先啓動hive相關進行,hive --service metastore & ; hive --service hiveserver2 &)
運行後會直接報錯,說 driver “hive-site.xml ”not in Classpath 什麼的錯誤,修改方法:
打開hive-common工程的本地目錄的target/test-classes路徑
修改裏面的core-site.xml 以及hive-site.xml ,這裏面的配置就參考hadoop集羣以及hive的配置即可
然後再次運行CliDriver,發現報下面的錯誤:
- Exception in thread "main" java.lang.RuntimeException: org.apache.hadoop.ipc.RemoteException: Server IPC version 9 cannot communicate with client version 4
- at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:522)
- at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:677)
- at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:621)
這樣子肯定是有 問題的,集羣都使用的是hadoop2的版本,但是代碼卻用的hadoop1,這樣報這個錯就沒啥奇怪的了。那問題是出在了哪呢?
通過查看hive-shims-common工程,發現其工程的依賴只有hadoop1,沒有hadoop2,而hive-cli工程也是依賴hive-shims-common工程,這也就解釋了爲什麼Java的classpath裏面hadoop1的jar包在hadoop2前面了。
此路不通!
(2)運行hive-beeline工程的BeeLine
直接運行,進入beeline交互式命令終端,如下圖:
發現是可以連接hive的,比如mr查詢:
但是這個不可以調試,即使用debug模式,仍然不能調試。
所以對於閱讀源碼,查看調用關係來說這種模式也不是很好。
2.2 導入到linux的eclipse工程
此導入和windows不無差別。
3. 直接新建工程,使用編譯後的hive jar包(此處的jar包不是指自己編譯的,而是官網直接提供的),就apache-hive-1.2.1-bin.tar.gz文件。
3.1 在windows的eclipse中新建hive工程
同時新建一個類,如上圖所示。
這裏還需要注意:
a. 引入編譯後的hive的lib包的所有jar包;
b. 引入MySQL的連接jar包;
c. 引入hadoop的相關jar包
(1)寫一個測試程序,調用CliDriver,出現下面的錯誤:
- 2015-10-22 22:25:19,837 INFO [main] (HiveMetaStoreClient.java:376) - Trying to connect to metastore with URI thrift://192.168.0.100:9083
- Exception in thread "main" java.lang.RuntimeException: java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient
- at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:522)
- at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:662)
- at test.MainTest.main(MainTest.java:8)
- Caused by: java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient
- at org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1523)
- at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.<init>(RetryingMetaStoreClient.java:86)
- at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:132)
- at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:104)
- at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:3005)
- at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:3024)
- at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:503)
- ... 2 more
- Caused by: java.lang.reflect.InvocationTargetException
- at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
- at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
- at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
- at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
- at org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1521)
- ... 8 more
- Caused by: java.lang.NullPointerException
- at java.lang.ProcessBuilder.start(ProcessBuilder.java:1010)
- at org.apache.hadoop.util.Shell.runCommand(Shell.java:482)
- at org.apache.hadoop.util.Shell.run(Shell.java:455)
- at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:715)
- at org.apache.hadoop.util.Shell.execCommand(Shell.java:808)
- at org.apache.hadoop.util.Shell.execCommand(Shell.java:791)
- at org.apache.hadoop.security.ShellBasedUnixGroupsMapping.getUnixGroups(ShellBasedUnixGroupsMapping.java:84)
- at org.apache.hadoop.security.ShellBasedUnixGroupsMapping.getGroups(ShellBasedUnixGroupsMapping.java:52)
- at org.apache.hadoop.security.JniBasedUnixGroupsMappingWithFallback.getGroups(JniBasedUnixGroupsMappingWithFallback.java:51)
- at org.apache.hadoop.security.Groups.getGroups(Groups.java:176)
- at org.apache.hadoop.security.UserGroupInformation.getGroupNames(UserGroupInformation.java:1488)
- at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.open(HiveMetaStoreClient.java:436)
- at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:236)
- at org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.<init>(SessionHiveMetaStoreClient.java:74)
- ... 13 more
通過跟蹤排查,發現是windows中的hadoop沒有配置winutils.exe 所致
也就是最開始的錯誤:
- Could not locate executable D:\jars\hadoop2.6\hadoop-2.6.0\bin\winutils.exe in the Hadoop binarie
這個錯誤可以google之來修改,這裏不說,下面也就沒有再在這條路下面走了。
(2)寫一個調用程序,運行BeeLine,這個沒有測試。
3.2 linux的eclipse新建hive工程:
建立的工程和windows並無二致,如下:
同樣編寫程序調用CliDriver,Debug運行,如下所示(需要注意我在這裏並沒有配置hadoop相關目錄):
做一個查詢,看是否可以啓動debug模式:
這裏看到的確是進入了debug模式。
如何添加源碼?看下圖
4. 總結:
(1) hive1.2.1目前使用源碼編譯得到的版本,並不支持hadoop2的調試;(就個人所作的工作的結果來看);
(2)hive1.2.1使用eclipse調試源碼可以使用新建工程的方式,然後導入官網編譯的hive包及hadoop包進行調試,同時需要注意一般需要在linux環境下調試,如果需要在windows下調試,需要安裝winutils.exe ;
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