big-data/hadoop
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

HDFS-11333. Print a user friendly error message when plugins are not found. Contributed by Wei-Chiu Chuang.

Browse Source
This commit is contained in:
Wei-Chiu Chuang 2017-02-15 02:50:35 -08:00
parent ff75132355
commit 859bd159ae
2 changed files with 18 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
View File

@ -921,7 +921,15 @@ private void startInfoServer()
} }
private void startPlugins(Configuration conf) { private void startPlugins(Configuration conf) {
plugins = conf.getInstances(DFS_DATANODE_PLUGINS_KEY, ServicePlugin.class); try {
plugins = conf.getInstances(DFS_DATANODE_PLUGINS_KEY,
ServicePlugin.class);
} catch (RuntimeException e) {
String pluginsValue = conf.get(DFS_DATANODE_PLUGINS_KEY);
LOG.error("Unable to load DataNode plugins. Specified list of plugins: " +
pluginsValue, e);
throw e;
}
for (ServicePlugin p: plugins) { for (ServicePlugin p: plugins) {
try { try {
p.start(this); p.start(this);

11
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java
View File

@ -809,8 +809,15 @@ private void startCommonServices(Configuration conf) throws IOException {
httpServer.setFSImage(getFSImage()); httpServer.setFSImage(getFSImage());
} }
rpcServer.start(); rpcServer.start();
plugins = conf.getInstances(DFS_NAMENODE_PLUGINS_KEY, try {
ServicePlugin.class); plugins = conf.getInstances(DFS_NAMENODE_PLUGINS_KEY,
ServicePlugin.class);
} catch (RuntimeException e) {
String pluginsValue = conf.get(DFS_NAMENODE_PLUGINS_KEY);
LOG.error("Unable to load NameNode plugins. Specified list of plugins: " +
pluginsValue, e);
throw e;
}
for (ServicePlugin p: plugins) { for (ServicePlugin p: plugins) {
try { try {
p.start(this); p.start(this);