[ https://issues.apache.org/jira/browse/NUTCH-1188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Julien Nioche closed NUTCH-1188. -------------------------------- Resolution: Not A Problem Issue already fixed in SVN versions > ERROR util.LogUtil - Cannot log with method [null] > -------------------------------------------------- > > Key: NUTCH-1188 > URL: https://issues.apache.org/jira/browse/NUTCH-1188 > Project: Nutch > Issue Type: Bug > Components: fetcher > Affects Versions: 1.4 > Environment: no special enviroment > Reporter: Zhang JinYan > Attachments: LogUtil.patch > > > LogUtil has static fields,which is initialized like this: > FATAL = Logger.class.getMethod("error", new Class[] { Object.class }); > but the Logger has no such method,the correct method is: > void org.slf4j.Logger.error(String msg) > So,LogUtil's static fields are not initialized correctly(they are null) > ------------------------------- > Run crawl,you will find msg in hadoop.log: > 2011-11-01 22:38:14,442 ERROR util.LogUtil - Cannot log with method [null] > java.lang.NullPointerException > at org.apache.nutch.util.LogUtil$1.flush(LogUtil.java:103) > at java.io.PrintStream.write(PrintStream.java:432) > at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:202) > at sun.nio.cs.StreamEncoder.implFlushBuffer(StreamEncoder.java:272) > at sun.nio.cs.StreamEncoder.flushBuffer(StreamEncoder.java:85) > at java.io.OutputStreamWriter.flushBuffer(OutputStreamWriter.java:168) > at java.io.PrintStream.newLine(PrintStream.java:496) > at java.io.PrintStream.println(PrintStream.java:757) > at java.lang.Throwable.printStackTraceAsCause(Throwable.java:492) > at java.lang.Throwable.printStackTrace(Throwable.java:468) > at > org.apache.nutch.protocol.http.api.HttpBase.getProtocolOutput(HttpBase.java:197) > at org.apache.nutch.fetcher.Fetcher$FetcherThread.run(Fetcher.java:665) > ---------------------------- > Patch: > FATAL = Logger.class.getMethod("error", new Class[] { String.class }); -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira