ORC-902: Fix hadoop-common dependency scope in orc-example (#808)

guiyanakuang · web-flow · commit a512329cee6d · 2021-08-02T22:48:01.000-07:00
### What changes were proposed in this pull request?

run orc-example, Throw an exception
```log
Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/conf/Configuration
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
	at java.lang.Class.privateGetMethodRecursive(Class.java:3048)
	at java.lang.Class.getMethod0(Class.java:3018)
	at java.lang.Class.getMethod(Class.java:1784)
	at sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:650)
	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:632)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.conf.Configuration
	at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	... 7 more
```

mvn dependency:tree in orc-example

```log
...
[INFO] +- org.apache.hadoop:hadoop-common:jar:2.2.0:provided
...
```
Need to set scope to compile in orc-example/pom.xml

### Why are the changes needed?

The example of orc-example cannot be run

### How was this patch tested?

Manual.
diff --git a/java/examples/pom.xml b/java/examples/pom.xml
@@ -50,10 +50,12 @@
     <dependency>
       <groupId>org.apache.hadoop</groupId>
       <artifactId>hadoop-common</artifactId>
+      <scope>compile</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.hadoop</groupId>
       <artifactId>hadoop-hdfs</artifactId>
+      <scope>compile</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.hive</groupId>
