我正在尝试通过java运行apache nutch，并且我包含了所有必需的jar
运行apatche nutch版本1.15，它给我以下错误
java.lang.ClassNotFoundException: org.apache.commons.jexl2.JexlContext
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at org.apache.hadoop.conf.Configuration.getClassByNameOrNull(Configuration.java:2288)
at org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:2253)
at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2347)
at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2373)
at org.apache.hadoop.mapred.JobConf.getOutputValueClass(JobConf.java:1096)
at org.apache.hadoop.mapred.JobConf.getMapOutputValueClass(JobConf.java:847)
at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.init(MapTask.java:1013)
at org.apache.hadoop.mapred.MapTask.createSortingCollector(MapTask.java:402)
at org.apache.hadoop.mapred.MapTask.access$100(MapTask.java:81)
at org.apache.hadoop.mapred.MapTask$NewOutputCollector.<init>(MapTask.java:704)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:776)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
我正在使用的是
<?xml version="1.0" encoding="UTF-8"?>
HTTP://maven.Apache.org/下水道/maven-4.0.0.下水道"> 4.0.0
<groupId>com.nutch</groupId>
<artifactId>ApacheNutch</artifactId>
<version>1.0-SNAPSHOT</version>
<dependencies>
<dependency>
<groupId>org.apache.nutch</groupId>
<artifactId>nutch</artifactId>
<version>1.15</version>
</dependency>
<dependency>
<groupId>org.json</groupId>
<artifactId>json</artifactId>
<version>20160810</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.25</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.25</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.7</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>4.1</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.5</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.11</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-compress</artifactId>
<version>1.16.1</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-jexl</artifactId>
<version>2.1.1</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.tdunning</groupId>
<artifactId>t-digest</artifactId>
<version>3.2</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-common</artifactId>
<version>2.7.4</version>
<optional>true</optional>
<exclusions>
<exclusion>
<groupId>hsqldb</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>net.sf.kosmosfs</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>net.java.dev.jets3t</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>org.eclipse.jdt</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>org.mortbay.jetty</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>ant</groupId>
<artifactId>*</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-hdfs</artifactId>
<version>2.7.4</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-mapreduce-client-core</artifactId>
<version>2.7.4</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-mapreduce-client-jobclient</artifactId>
<version>2.7.4</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.tika</groupId>
<artifactId>tika-core</artifactId>
<version>1.18</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.ibm.icu</groupId>
<artifactId>icu4j</artifactId>
<version>61.1</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>xerces</groupId>
<artifactId>xercesImpl</artifactId>
<version>2.11.0</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>xerces</groupId>
<artifactId>xmlParserAPIs</artifactId>
<version>2.6.2</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>oro</groupId>
<artifactId>oro</artifactId>
<version>2.0.8</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>25.0-jre</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.github.crawler-commons</groupId>
<artifactId>crawler-commons</artifactId>
<version>0.10</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.martinkl.warc</groupId>
<artifactId>warc-hadoop</artifactId>
<version>0.1.0</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-frontend-jaxws</artifactId>
<version>3.1.15</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-frontend-jaxrs</artifactId>
<version>3.1.15</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-transports-http</artifactId>
<version>3.1.15</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-transports-http-jetty</artifactId>
<version>3.1.15</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-rs-client</artifactId>
<version>3.1.15</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.5</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.dataformat</groupId>
<artifactId>jackson-dataformat-cbor</artifactId>
<version>2.9.5</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.jaxrs</groupId>
<artifactId>jackson-jaxrs-json-provider</artifactId>
<version>2.9.5</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.netpreserve.commons</groupId>
<artifactId>webarchive-commons</artifactId>
<version>1.1.5</version>
<optional>true</optional>
<exclusions>
<exclusion>
<groupId>*</groupId>
<artifactId>hadoop-core</artifactId>
</exclusion>
<exclusion>
<groupId>com.google.guava</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>junit</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>org.json</groupId>
<artifactId>*</artifactId>
</exclusion>
<exclusion>
<groupId>it.unimi.dsi</groupId>
<artifactId>dsiutils</artifactId>
</exclusion>
<exclusion>
<groupId>org.gnu.inet</groupId>
<artifactId>libidn</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.mrunit</groupId>
<artifactId>mrunit</artifactId>
<version>1.1.0</version>
<classifier>hadoop2</classifier>
<optional>true</optional>
<exclusions>
<exclusion>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.mortbay.jetty</groupId>
<artifactId>jetty-client</artifactId>
<version>6.1.26</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.mortbay.jetty</groupId>
<artifactId>jetty</artifactId>
<version>6.1.26</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.mortbay.jetty</groupId>
<artifactId>jetty-util</artifactId>
<version>6.1.26</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>tomcat</groupId>
<artifactId>jasper-runtime</artifactId>
<version>5.5.23</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>tomcat</groupId>
<artifactId>jasper-compiler</artifactId>
<version>5.5.23</version>
<optional>true</optional>
<exclusions>
<exclusion>
<groupId>ant</groupId>
<artifactId>*</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.mortbay.jetty</groupId>
<artifactId>jetty</artifactId>
<version>6.1.26</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>4.1</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>4.0.9.RELEASE</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.0.9.RELEASE</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>4.0.9.RELEASE</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-client</artifactId>
<version>1.19.4</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>com.j256.ormlite</groupId>
<artifactId>ormlite-jdbc</artifactId>
<version>5.1</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>1.4.197</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.eclipse.persistence</groupId>
<artifactId>javax.persistence</artifactId>
<version>2.2.0</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.wicket</groupId>
<artifactId>wicket-core</artifactId>
<version>6.17.0</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.wicket</groupId>
<artifactId>wicket-spring</artifactId>
<version>6.17.0</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>de.agilecoders.wicket</groupId>
<artifactId>wicket-bootstrap-core</artifactId>
<version>0.9.2</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>de.agilecoders.wicket</groupId>
<artifactId>wicket-bootstrap-extensions</artifactId>
<version>0.9.2</version>
<optional>true</optional>
<exclusions>
<exclusion>
<groupId>org.json</groupId>
<artifactId>*</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.rabbitmq</groupId>
<artifactId>amqp-client</artifactId>
<version>5.2.0</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpcore-nio</artifactId>
<version>4.4.9</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpcore</artifactId>
<version>4.4.9</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.5</version>
<scope>compile</scope>
</dependency>
</dependencies>
我在运行jar的同时在classpath中包含了commons-jexl-2.1.1.jar但它仍然给出了相同的错误，请帮帮我
提前致谢
在我看来就像一个类加载问题。尝试使用执行代码的类所使用的相同类加载器加载相关类。