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via GitHub by khajaasmath786
, 1 year ago
Could not invoke class com.linkedin.drelephant.mapreduce.fetchers.MapReduceFetcherHadoop2
via GitHub by shyamraj242
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Could not find class com.linkedin.drelephant.mapreduce.fetchers.MapReduceFetcherHadoop2
via GitHub by henryon
, 1 year ago
Could not find class com.linkedin.drelephant.mapreduce.MapReduceFetcherHadoop2
java.net.ConnectException: Connection refused	at java.net.PlainSocketImpl.socketConnect(Native Method)	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:198)	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)	at java.net.Socket.connect(Socket.java:579)	at java.net.Socket.connect(Socket.java:528)	at sun.net.NetworkClient.doConnect(NetworkClient.java:180)	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)	at sun.net.www.http.HttpClient.(HttpClient.java:211)	at sun.net.www.http.HttpClient.New(HttpClient.java:308)	at sun.net.www.http.HttpClient.New(HttpClient.java:326)	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:996)	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:932)	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:850)	at com.linkedin.drelephant.mapreduce.fetchers.MapReduceFetcherHadoop2$URLFactory.verifyURL(MapReduceFetcherHadoop2.java:168)	at com.linkedin.drelephant.mapreduce.fetchers.MapReduceFetcherHadoop2$URLFactory.(MapReduceFetcherHadoop2.java:162)	at com.linkedin.drelephant.mapreduce.fetchers.MapReduceFetcherHadoop2$URLFactory.(MapReduceFetcherHadoop2.java:156)	at com.linkedin.drelephant.mapreduce.fetchers.MapReduceFetcherHadoop2.(MapReduceFetcherHadoop2.java:65)	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 com.linkedin.drelephant.ElephantContext.loadFetchers(ElephantContext.java:158)	at com.linkedin.drelephant.ElephantContext.loadConfiguration(ElephantContext.java:101)	at com.linkedin.drelephant.ElephantContext.(ElephantContext.java:96)	at com.linkedin.drelephant.ElephantContext.instance(ElephantContext.java:89)	at com.linkedin.drelephant.ElephantRunner.loadGeneralConfiguration(ElephantRunner.java:71)	at com.linkedin.drelephant.ElephantRunner.access$000(ElephantRunner.java:50)	at com.linkedin.drelephant.ElephantRunner$1.run(ElephantRunner.java:102)	at com.linkedin.drelephant.ElephantRunner$1.run(ElephantRunner.java:98)	at java.security.AccessController.doPrivileged(Native Method)	at javax.security.auth.Subject.doAs(Subject.java:356)	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1471)	at com.linkedin.drelephant.security.HadoopSecurity.doAs(HadoopSecurity.java:108)	at com.linkedin.drelephant.ElephantRunner.run(ElephantRunner.java:98)	at com.linkedin.drelephant.DrElephant.run(DrElephant.java:34)