Hi all,
I am trying to use the parse-xml plugin with the latest nutch version 1.3.
I followed all the instruction for compiling a plugin in NUtch, however I et
a lot of compilation errors:
compile:
[echo] Compiling plugin: parse-xml
[javac] Compiling 6 source files to
/home/lorenzo/nutch-1.3/build/parse-xml/classes
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLIndexer.java:31:
cannot find symbol
[javac] symbol : class LogFormatter
[javac] location: package org.apache.nutch.util
[javac] import org.apache.nutch.util.LogFormatter;
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLParser.java:38:
cannot find symbol
[javac] symbol : class LogFormatter
[javac] location: package org.apache.nutch.util
[javac] import org.apache.nutch.util.LogFormatter;
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/config/XMLParserConfig.java:28:
cannot find symbol
[javac] symbol : class NutchConf
[javac] location: package org.apache.nutch.util
[javac] import org.apache.nutch.util.NutchConf;
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLIndexer.java:38:
org.apache.nutch.parse.xml.XMLIndexer is not abstract and does not override
abstract method
filter(org.apache.nutch.indexer.NutchDocument,org.apache.nutch.parse.Parse,org.apache.hadoop.io.Text,org.apache.nutch.crawl.CrawlDatum,org.apache.nutch.crawl.Inlinks)
in org.apache.nutch.indexer.IndexingFilter
[javac] public class XMLIndexer implements IndexingFilter {
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLIndexer.java:39:
cannot find symbol
[javac] symbol : variable LogFormatter
[javac] location: class org.apache.nutch.parse.xml.XMLIndexer
[javac] public static final Logger LOG =
LogFormatter.getLogger(XMLIndexer.class
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLIndexer.java:48:
cannot find symbol
[javac] symbol : class LogFormatter
[javac] location: package org.apache.nutch.util
[javac]
org.apache.nutch.util.LogFormatter.getLogStream(this.LOG,
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLIndexer.java:57:
cannot find symbol
[javac] symbol : method getMetadata()
[javac] location: class org.apache.nutch.parse.ParseData
[javac] Properties p = pa.getMetadata();
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLIndexer.java:67:
cannot find symbol
[javac] symbol : method Text(java.lang.String,java.lang.String)
[javac] location: class org.apache.lucene.document.Field
[javac] field = Field.Text(key,
fieldContent);
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLIndexer.java:92:
cannot find symbol
[javac] symbol : method Text(java.lang.String,java.lang.String)
[javac] location: class org.apache.lucene.document.Field
[javac] field = Field.Text(fieldName, content);
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLIndexer.java:94:
cannot find symbol
[javac] symbol : method Keyword(java.lang.String,java.lang.String)
[javac] location: class org.apache.lucene.document.Field
[javac] field = Field.Keyword(fieldName, content);
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLIndexer.java:96:
cannot find symbol
[javac] symbol : method UnIndexed(java.lang.String,java.lang.String)
[javac] location: class org.apache.lucene.document.Field
[javac] field = Field.UnIndexed(fieldName, content);
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLIndexer.java:98:
cannot find symbol
[javac] symbol : method UnStored(java.lang.String,java.lang.String)
[javac] location: class org.apache.lucene.document.Field
[javac] field = Field.UnStored(fieldName, content);
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLParser.java:61:
org.apache.nutch.parse.xml.XMLParser is not abstract and does not override
abstract method getParse(org.apache.nutch.protocol.Content) in
org.apache.nutch.parse.Parser
[javac] public class XMLParser implements Parser {
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLParser.java:81:
getParse(org.apache.nutch.protocol.Content) in
org.apache.nutch.parse.xml.XMLParser cannot implement
getParse(org.apache.nutch.protocol.Content) in
org.apache.nutch.parse.Parser; attempting to use incompatible return type
[javac] found : org.apache.nutch.parse.Parse
[javac] required: org.apache.nutch.parse.ParseResult
[javac] public Parse getParse(Content content) {
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLParser.java:65:
cannot find symbol
[javac] symbol : variable LogFormatter
[javac] location: class org.apache.nutch.parse.xml.XMLParser
[javac] public static final Logger LOG = LogFormatter
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLParser.java:76:
cannot find symbol
[javac] symbol : class LogFormatter
[javac] location: package org.apache.nutch.util
[javac]
org.apache.nutch.util.LogFormatter.getLogStream(this.LOG,
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLParser.java:83:
putAll(java.util.Map<? extends java.lang.Object,? extends java.lang.Object>)
in java.util.Hashtable<java.lang.Object,java.lang.Object> cannot be
applied to (org.apache.nutch.metadata.Metadata)
[javac] metadata.putAll(content.getMetadata());
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLParser.java:106:
getEmptyParse(org.apache.hadoop.conf.Configuration) in
org.apache.nutch.parse.ParseStatus cannot be applied to ()
[javac] .getEmptyParse();
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLParser.java:110:
getEmptyParse(org.apache.hadoop.conf.Configuration) in
org.apache.nutch.parse.ParseStatus cannot be applied to ()
[javac] .getEmptyParse();
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLParser.java:114:
cannot find symbol
[javac] symbol : method getOutlinks(java.lang.String)
[javac] location: class org.apache.nutch.parse.OutlinkExtractor
[javac] OutlinkExtractor.getOutlinks(text),
metadata);
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/XMLParser.java:113:
internal error; cannot instantiate org.apache.nutch.parse.ParseData.<init>
at org.apache.nutch.parse.ParseData to ()
[javac] ParseData parseData = new
ParseData(ParseStatus.STATUS_SUCCESS, title,
[javac] ^
[javac]
/nutch-1.3/src/plugin/parse-xml/src/java/org/apache/nutch/parse/xml/config/XMLParserConfig.java:52:
cannot find symbol
[javac] symbol : variable NutchConf
[javac] location: class
org.apache.nutch.parse.xml.config.XMLParserConfig
[javac] InputStream configIs = NutchConf.get()
[javac] ^
[javac] Note: Some input files use unchecked or unsafe operations.
[javac] Note: Recompile with -Xlint:unchecked for details.
[javac] 22 errors
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