当我尝试在我的 Windows 7 机器上构建 nutch 2.1 时，我收到以下错误：
Buildfile: C:\apache-nutch-2.1\build.xml
[taskdef] Could not load definitions from resource org/sonar/ant/antlib.xml. It could not be found.
ivy-probe-antlib:
ivy-download:
[taskdef] Could not load definitions from resource org/sonar/ant/antlib.xml. It could not be found.
ivy-download-unchecked:
ivy-init-antlib:
ivy-init:
init:
resolve-default:
[ivy:resolve] :: Ivy 2.2.0 - 20100923230623 :: http://ant.apache.org/ivy/ ::
[ivy:resolve] :: loading settings :: file = C:\apache-nutch-2.1\ivy\ivysettings.xml
[taskdef] Could not load definitions from resource org/sonar/ant/antlib.xml. It could not be found.
copy-libs:
compile-core:
C:\apache-nutch-2.1\build.xml:97: warning: 'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds
Compiling 181 source files to C:\apache-nutch-2.1\build\classes
warning: [path] bad path element "C:\apache-nutch-2.1\build\lib\activation.jar": no such file or directory
warning: [options] bootstrap class path not set in conjunction with -source 1.6
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\APIInfoResource.java:23: error: package org.restlet.resource does not exist
import org.restlet.resource.Get;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\APIInfoResource.java:24: error: package org.restlet.resource does not exist
import org.restlet.resource.ServerResource;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\APIInfoResource.java:26: error: cannot find symbol
public class APIInfoResource extends ServerResource {
^
symbol: class ServerResource
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\AdminResource.java:23: error: package org.restlet.resource does not exist
import org.restlet.resource.Get;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\AdminResource.java:24: error: package org.restlet.resource does not exist
import org.restlet.resource.ServerResource;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\AdminResource.java:28: error: cannot find symbol
public class AdminResource extends ServerResource {
^
symbol: class ServerResource
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\ConfResource.java:22: error: package org.restlet.data does not exist
import org.restlet.data.Form;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\ConfResource.java:23: error: package org.restlet.resource does not exist
import org.restlet.resource.Delete;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\ConfResource.java:24: error: package org.restlet.resource does not exist
import org.restlet.resource.Get;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\ConfResource.java:25: error: package org.restlet.resource does not exist
import org.restlet.resource.Post;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\ConfResource.java:26: error: package org.restlet.resource does not exist
import org.restlet.resource.Put;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\ConfResource.java:27: error: package org.restlet.resource does not exist
import org.restlet.resource.ServerResource;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\ConfResource.java:29: error: cannot find symbol
public class ConfResource extends ServerResource {
^
symbol: class ServerResource
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\DbReader.java:29: error: package org.apache.avro.util does not exist
import org.apache.avro.util.Utf8;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\DbReader.java:30: error: package org.apache.gora.query does not exist
import org.apache.gora.query.Query;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\DbReader.java:31: error: package org.apache.gora.query does not exist
import org.apache.gora.query.Result;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\DbReader.java:32: error: package org.apache.gora.store does not exist
import org.apache.gora.store.DataStore;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\api\DbReader.java:52: error: cannot find symbol
DataStore<String,WebPage> store;
^
symbol: class DataStore
location: class DbReader
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:22: error: package org.apache.avro does not exist
import org.apache.avro.Protocol;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:23: error: package org.apache.avro does not exist
import org.apache.avro.Schema;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:24: error: package org.apache.avro does not exist
import org.apache.avro.AvroRuntimeException;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:25: error: package org.apache.avro does not exist
import org.apache.avro.Protocol;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:26: error: package org.apache.avro.util does not exist
import org.apache.avro.util.Utf8;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:27: error: package org.apache.avro.ipc does not exist
import org.apache.avro.ipc.AvroRemoteException;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:28: error: package org.apache.avro.generic does not exist
import org.apache.avro.generic.GenericArray;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:29: error: package org.apache.avro.specific does not exist
import org.apache.avro.specific.SpecificExceptionBase;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:30: error: package org.apache.avro.specific does not exist
import org.apache.avro.specific.SpecificRecordBase;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:31: error: package org.apache.avro.specific does not exist
import org.apache.avro.specific.SpecificRecord;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:32: error: package org.apache.avro.specific does not exist
import org.apache.avro.specific.SpecificFixed;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:33: error: package org.apache.gora.persistency does not exist
import org.apache.gora.persistency.StateManager;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:34: error: package org.apache.gora.persistency.impl does not exist
import org.apache.gora.persistency.impl.PersistentBase;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:35: error: package org.apache.gora.persistency.impl does not exist
import org.apache.gora.persistency.impl.StateManagerImpl;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:36: error: package org.apache.gora.persistency does not exist
import org.apache.gora.persistency.StatefulHashMap;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:37: error: package org.apache.gora.persistency does not exist
import org.apache.gora.persistency.ListGenericArray;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:40: error: cannot find symbol
public class WebPage extends PersistentBase {
^
symbol: class PersistentBase
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:41: error: cannot find symbol
public static final Schema _SCHEMA = Schema.parse("{\"type\":\"record\",\"name\":\"WebPage\",\"namespace\":\"org.apache.nutch.storage\",\"fields\":[{\"name\":\"baseUrl\",\"type\":\"string\"},{\"name\":\"status\",\"type\":\"int\"},{\"name\":\"fetchTime\",\"type\":\"long\"},{\"name\":\"prevFetchTime\",\"type\":\"long\"},{\"name\":\"fetchInterval\",\"type\":\"int\"},{\"name\":\"retriesSinceFetch\",\"type\":\"int\"},{\"name\":\"modifiedTime\",\"type\":\"long\"},{\"name\":\"protocolStatus\",\"type\":{\"type\":\"record\",\"name\":\"ProtocolStatus\",\"fields\":[{\"name\":\"code\",\"type\":\"int\"},{\"name\":\"args\",\"type\":{\"type\":\"array\",\"items\":\"string\"}},{\"name\":\"lastModified\",\"type\":\"long\"}]}},{\"name\":\"content\",\"type\":\"bytes\"},{\"name\":\"contentType\",\"type\":\"string\"},{\"name\":\"prevSignature\",\"type\":\"bytes\"},{\"name\":\"signature\",\"type\":\"bytes\"},{\"name\":\"title\",\"type\":\"string\"},{\"name\":\"text\",\"type\":\"string\"},{\"name\":\"parseStatus\",\"type\":{\"type\":\"record\",\"name\":\"ParseStatus\",\"fields\":[{\"name\":\"majorCode\",\"type\":\"int\"},{\"name\":\"minorCode\",\"type\":\"int\"},{\"name\":\"args\",\"type\":{\"type\":\"array\",\"items\":\"string\"}}]}},{\"name\":\"score\",\"type\":\"float\"},{\"name\":\"reprUrl\",\"type\":\"string\"},{\"name\":\"headers\",\"type\":{\"type\":\"map\",\"values\":\"string\"}},{\"name\":\"outlinks\",\"type\":{\"type\":\"map\",\"values\":\"string\"}},{\"name\":\"inlinks\",\"type\":{\"type\":\"map\",\"values\":\"string\"}},{\"name\":\"markers\",\"type\":{\"type\":\"map\",\"values\":\"string\"}},{\"name\":\"metadata\",\"type\":{\"type\":\"map\",\"values\":\"bytes\"}}]}");
^
symbol: class Schema
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:77: error: cannot find symbol
private Utf8 baseUrl;
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:22: error: package org.apache.avro does not exist
import org.apache.avro.Protocol;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:23: error: package org.apache.avro does not exist
import org.apache.avro.Schema;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:24: error: package org.apache.avro does not exist
import org.apache.avro.AvroRuntimeException;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:25: error: package org.apache.avro does not exist
import org.apache.avro.Protocol;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:26: error: package org.apache.avro.util does not exist
import org.apache.avro.util.Utf8;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:27: error: package org.apache.avro.ipc does not exist
import org.apache.avro.ipc.AvroRemoteException;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:28: error: package org.apache.avro.generic does not exist
import org.apache.avro.generic.GenericArray;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:29: error: package org.apache.avro.specific does not exist
import org.apache.avro.specific.SpecificExceptionBase;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:30: error: package org.apache.avro.specific does not exist
import org.apache.avro.specific.SpecificRecordBase;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:31: error: package org.apache.avro.specific does not exist
import org.apache.avro.specific.SpecificRecord;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:32: error: package org.apache.avro.specific does not exist
import org.apache.avro.specific.SpecificFixed;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:33: error: package org.apache.gora.persistency does not exist
import org.apache.gora.persistency.StateManager;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:34: error: package org.apache.gora.persistency.impl does not exist
import org.apache.gora.persistency.impl.PersistentBase;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:35: error: package org.apache.gora.persistency.impl does not exist
import org.apache.gora.persistency.impl.StateManagerImpl;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:36: error: package org.apache.gora.persistency does not exist
import org.apache.gora.persistency.StatefulHashMap;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:37: error: package org.apache.gora.persistency does not exist
import org.apache.gora.persistency.ListGenericArray;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ProtocolStatus.java:40: error: cannot find symbol
public class ProtocolStatus extends PersistentBase {
^
symbol: class PersistentBase
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:86: error: cannot find symbol
private Utf8 contentType;
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:89: error: cannot find symbol
private Utf8 title;
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:90: error: cannot find symbol
private Utf8 text;
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:22: error: package org.apache.avro does not exist
import org.apache.avro.Protocol;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:23: error: package org.apache.avro does not exist
import org.apache.avro.Schema;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:24: error: package org.apache.avro does not exist
import org.apache.avro.AvroRuntimeException;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:25: error: package org.apache.avro does not exist
import org.apache.avro.Protocol;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:26: error: package org.apache.avro.util does not exist
import org.apache.avro.util.Utf8;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:27: error: package org.apache.avro.ipc does not exist
import org.apache.avro.ipc.AvroRemoteException;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:28: error: package org.apache.avro.generic does not exist
import org.apache.avro.generic.GenericArray;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:29: error: package org.apache.avro.specific does not exist
import org.apache.avro.specific.SpecificExceptionBase;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:30: error: package org.apache.avro.specific does not exist
import org.apache.avro.specific.SpecificRecordBase;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:31: error: package org.apache.avro.specific does not exist
import org.apache.avro.specific.SpecificRecord;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:32: error: package org.apache.avro.specific does not exist
import org.apache.avro.specific.SpecificFixed;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:33: error: package org.apache.gora.persistency does not exist
import org.apache.gora.persistency.StateManager;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:34: error: package org.apache.gora.persistency.impl does not exist
import org.apache.gora.persistency.impl.PersistentBase;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:35: error: package org.apache.gora.persistency.impl does not exist
import org.apache.gora.persistency.impl.StateManagerImpl;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:36: error: package org.apache.gora.persistency does not exist
import org.apache.gora.persistency.StatefulHashMap;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:37: error: package org.apache.gora.persistency does not exist
import org.apache.gora.persistency.ListGenericArray;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\ParseStatus.java:40: error: cannot find symbol
public class ParseStatus extends PersistentBase {
^
symbol: class PersistentBase
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:93: error: cannot find symbol
private Utf8 reprUrl;
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:94: error: cannot find symbol
private Map<Utf8,Utf8> headers;
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:94: error: cannot find symbol
private Map<Utf8,Utf8> headers;
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:95: error: cannot find symbol
private Map<Utf8,Utf8> outlinks;
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:95: error: cannot find symbol
private Map<Utf8,Utf8> outlinks;
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:96: error: cannot find symbol
private Map<Utf8,Utf8> inlinks;
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:96: error: cannot find symbol
private Map<Utf8,Utf8> inlinks;
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:97: error: cannot find symbol
private Map<Utf8,Utf8> markers;
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:97: error: cannot find symbol
private Map<Utf8,Utf8> markers;
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:98: error: cannot find symbol
private Map<Utf8,ByteBuffer> metadata;
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:102: error: cannot find symbol
public WebPage(StateManager stateManager) {
^
symbol: class StateManager
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:110: error: cannot find symbol
public WebPage newInstance(StateManager stateManager) {
^
symbol: class StateManager
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:113: error: cannot find symbol
public Schema getSchema() { return _SCHEMA; }
^
symbol: class Schema
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:171: error: cannot find symbol
public Utf8 getBaseUrl() {
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:174: error: cannot find symbol
public void setBaseUrl(Utf8 value) {
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:225: error: cannot find symbol
public Utf8 getContentType() {
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:228: error: cannot find symbol
public void setContentType(Utf8 value) {
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:243: error: cannot find symbol
public Utf8 getTitle() {
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:246: error: cannot find symbol
public void setTitle(Utf8 value) {
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:249: error: cannot find symbol
public Utf8 getText() {
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:252: error: cannot find symbol
public void setText(Utf8 value) {
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:267: error: cannot find symbol
public Utf8 getReprUrl() {
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:270: error: cannot find symbol
public void setReprUrl(Utf8 value) {
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:273: error: cannot find symbol
public Map<Utf8, Utf8> getHeaders() {
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:273: error: cannot find symbol
public Map<Utf8, Utf8> getHeaders() {
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\storage\WebPage.java:276: error: cannot find symbol
public Utf8 getFromHeaders(Utf8 key) {
^
symbol: class Utf8
location: class WebPage
C:\apache-nutch-2.1\src\java\org\apache\nutch\indexer\mongodb\MongodbIndexer.java:18: warning: [deprecation] JobConf in org.apache.hadoop.mapred has been deprecated
import org.apache.hadoop.mapred.JobConf;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\indexer\mongodb\MongodbWriter.java:7: warning: [deprecation] JobConf in org.apache.hadoop.mapred has been deprecated
import org.apache.hadoop.mapred.JobConf;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\tools\arc\ArcInputFormat.java:23: warning: [deprecation] FileInputFormat in org.apache.hadoop.mapred has been deprecated
import org.apache.hadoop.mapred.FileInputFormat;
^
C:\apache-nutch-2.1\src\java\org\apache\nutch\tools\arc\ArcInputFormat.java:24: warning: [deprecation] FileSplit in org.apache.hadoop.mapred has been deprecated
import org.apache.hadoop.mapred.FileSplit;
^
..
..
还有更多错误............
C:\apache-nutch-2.1\src\java\org\apache\nutch\util\SuffixStringMatcher.java:46: warning: [rawtypes] found raw type: Iterator
Iterator iter= suffixes.iterator();
^
missing type arguments for generic class Iterator<E>
where E is a type-variable:
E extends Object declared in interface Iterator
C:\apache-nutch-2.1\src\java\org\apache\nutch\util\ToolUtil.java:48: warning: [unchecked] unchecked cast
Map<String,Object> jobs = (Map<String,Object>)results.get(Nutch.STAT_JOBS);
^
required: Map<String,Object>
found: Object
100 errors
69 warnings
我该如何解决这个问题并让 Nutch 运行？