why when I changed the nutch/conf/log4j.properties
I just changed the first line
Log4j.rootLogger=info,drfa to log4j.rootLogger=debug,drfa
Like this:
＊＊＊ ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
＊＊＊＊＊＊＊＊＊＊＊＊
# RootLogger - DailyRollingFileAppender
#log4j.rootLogger=INFO,DRFA
log4j.rootLogger=DEBUG,DRFA
# Logging Threshold
log4j.threshhold=ALL
#special logging requirements for some commandline tools
log4j.logger.org.apache.nutch.crawl.Crawl=INFO,cmdstdout
log4j.logger.org.apache.nutch.crawl.Injector=INFO,cmdstdout
log4j.logger.org.apache.nutch.crawl.Generator=INFO,cmdstdout
log4j.logger.org.apache.nutch.fetcher.Fetcher=INFO,cmdstdout
log4j.logger.org.apache.nutch.parse.ParseSegment=INFO,cmdstdout
log4j.logger.org.apache.nutch.crawl.CrawlDbReader=INFO,cmdstdout
log4j.logger.org.apache.nutch.crawl.CrawlDbMerger=INFO,cmdstdout
log4j.logger.org.apache.nutch.crawl.LinkDbReader=INFO,cmdstdout
log4j.logger.org.apache.nutch.segment.SegmentReader=INFO,cmdstdout
log4j.logger.org.apache.nutch.segment.SegmentMerger=INFO,cmdstdout
log4j.logger.org.apache.nutch.crawl.CrawlDb=INFO,cmdstdout
log4j.logger.org.apache.nutch.crawl.LinkDb=INFO,cmdstdout
log4j.logger.org.apache.nutch.crawl.LinkDbMerger=INFO,cmdstdout
log4j.logger.org.apache.nutch.indexer.Indexer=INFO,cmdstdout
log4j.logger.org.apache.nutch.indexer.DeleteDuplicates=INFO,cmdstdout
log4j.logger.org.apache.nutch.indexer.IndexMerger=INFO,cmdstdout
。。。。。。
＊ ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
＊＊＊＊＊＊＊＊＊
＊ In the console ,it show me the error like below
log4j:ERROR setFile(null,true) call failed.
java.io.FileNotFoundException: \ (系统找不到指定的路径。)
at java.io.FileOutputStream.openAppend(Native Method)
at java.io.FileOutputStream.<init>(Unknown Source)
at java.io.FileOutputStream.<init>(Unknown Source)
at org.apache.log4j.FileAppender.setFile(FileAppender.java:289)
at org.apache.log4j.FileAppender.activateOptions(FileAppender.java:163)
at
org.apache.log4j.DailyRollingFileAppender.activateOptions(DailyRollingFileAp
pender.java:215)
at
org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:256)
at
org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:132
)
at
org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:96)
at
org.apache.log4j.PropertyConfigurator.parseAppender(PropertyConfigurator.jav
a:654)
at
org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.jav
a:612)
at
org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConfigur
ator.java:509)
at
org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:
415)
at
org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:
441)
at
org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.
java:468)
at org.apache.log4j.LogManager.<clinit>(LogManager.java:122)
at org.apache.log4j.Logger.getLogger(Logger.java:104)
at
org.apache.commons.logging.impl.Log4JLogger.getLogger(Log4JLogger.java:229)
at
org.apache.commons.logging.impl.Log4JLogger.<init>(Log4JLogger.java:65)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
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