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NullPointerException org. apache. commons. digester. Digester. getXMLReader (Digester. java: 1058), father of java

NullPointerException org. apache. commons. digester. Digester. getXMLReader (Digester. java: 1058), father of java Http://pwu-developer.blogspot.com/2010/01/nullpointerexception.html MavenIs great build tool making it easy to fetch all the library dependencies for a particle build. But what happens when you 've got an application that uses wide variety of libraries of which can beDependent on the same library but different versions. Indeed we can have

Jsoup problem --- failed to get http request org. jsoup. UnsupportedMimeTypeException: Unhandled content type. Must be text/*, application/xml, or application/xhtml + xml., jsoupxhtml

Jsoup problem --- failed to get http request org. jsoup. UnsupportedMimeTypeException: Unhandled content type. Must be text/*, application/xml, or application/xhtml + xml., jsoupxhtmlJsoup problem --- failed to get http Request 1. Problem: When Jsoup is used to obtain data from some websites, it was obtained smoothly at first. However, when a wave of data is accessed, Jsoup reports an error. It should be the request type (ContextType) in the request h

When configuring the MapReduce plugin, pop-up error org/apache/hadoop/eclipse/preferences/mapreducepreferencepage:unsupported Major.minor version 51.0 (Hadoop2.7.3 cluster deployment)

Reason:Hadoop-eclipse-plugin-2.7.3.jar compiled JDK versions are inconsistent with the JDK version used by Eclipse startup.Solution One :Modify the Myeclipse.ini file to resolve it. D:/java/myeclipse/common/binary/com.sun.java.jdk.win32.x86_1.6.0.013/jre/bin/client/jvm.dll to: D:/Program Files ( x86)/java/jdk1.7.0_45/jre/bin/client/jvm.dlljdk1.7.0_45 version of the JDK for your own installationIf it is not valid, check that the Hadoop version set in the system environment variable hadoop_home is

The Org-mode of my Emacs

650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/5C/05/wKioL1UZVIjTPQnBAAOAfbbse-o637.jpg "style=" float: none; "title=" Myemacs.png "alt=" Wkiol1uzvijtpqnbaaoafbbse-o637.jpg "/>650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/5C/0A/wKiom1UZU02xXLXXAALVyhBkRcc622.jpg "style=" float: none; "title=" Myemacs01.png "alt=" Wkiom1uzu02xxlxxaalvyhbkrcc622.jpg "/>This article is from the "Tiandaochouqin" blog, make sure to keep this source http://lavenliu.blog.51cto.com/5060944/16265

Emacs org-mode Chinese table arrangement problem [resolved]

Emacs Version: 24.4.1System: LinuxAdd the following configuration to. Emacs and restart Emacs.;; Font Config fororg table showing. (Set-default-font"monospace-11") (Dolist (CharSet'(kana han symbol cjk-misc bopomofo))(Set-fontset-font (Frame-parameter nil'font)CharSet (Font-spec:family"Wenquanyi Micro Hei")));; Tune Rescale so Chinese character width= 2 *中文版 character width (setq face-font-rescale-alist'( ("monospace". 1.0) ("Wenquanyi". 1.23 ))):Emacs org

Java Word to HTML error org/apache/poi/xwpf/usermodel/irunbody

; - - Dependency> in groupId>Fr.opensagres.xdocreportgroupId> -    Artifactid>Fr.opensagres.xdocreport.documentArtifactid> to version>2.0.1version> + Dependency> - the Dependency> * groupId>Fr.opensagres.xdocreportgroupId> $ Artifactid>Org.apache.poi.xwpf.converter.coreArtifactid>Panax Notoginseng version>1.0.6version> - Dependency> the + Dependency> A gr

Solve the problem of Org/sonatype/aether/graph/dependencyfilter ClassNotFound when Maven runs Site:site

Today, when you configure the project's site, it appears after running: [WARNING] Error injecting:org.apache.maven.reporting.exec.DefaultMavenReportExecutor Java.lang.NoClassDefFoundError: Org/sonatype/aether/graph/dependencyfilter at Java.lang.Class.getDeclaredConstructors0 (Native method) at Java.lang.Class.privateGetDeclaredConstructors (class.java:2416) at java.lang.Class.getDeclaredConstructors ( class.java:1855) at com.google.inject.spi.I

Various implementation methods for converting Json strings to java objects [json_lib framework, Gson, org. json]

requires a jar package: Gson. jar :Http://code.google.com/p/google-gson/downloads/detail? Name=google-gson-2.2.4-release.zip Example: Convert the json string obtained through js to a Map and List set. The Code is as follows: Package util; import java. util. arrayList; import java. util. hashMap; import java. util. list; import java. util. map; import com. google. gson. gson; public class JSONHelper {private Gson gson = new Gson ();/*** converts a json object to a map set, this method is used to

Form development skills 1 --- the same org only allows one session job at a time

Requirements: 1. Develop a batch release ticket Program 2. At the same time, there can only be one session release for the same org ticket Solution: 1. (when-New-form-instance) when the program is opened, delete the records that are not cleared due to program exceptions. Refer to SQL: Delete program_lock_control Where program_name = 'release _ wo' And not exists ( Select 1 From v $ session B Where B. Sid = A. lock_sid And B. Serial # = A. lock_serial

In ubuntu10.4, when installing ADT in eclipse, you may encounter a solution missing org. Eclipse. WST. SSE. Core 0.0.0.

When installing ADT in eclipse in Ubuntu, you may encounter a solution missing org. Eclipse. WST. SSE. Core 0.0.0. Find the problem on the network Today, the following error occurs when you configure the ADT with eclipse in Ubuntu to configure the android development environment: 1 cannot complete the install because one or more required items cocould not be found. 2 software being installed: Android development tools 8.0.1.v

Org. hibernate. util. confighelper. Java

This class is a tool for loading hibernate resources. Three types of loading classes of JDK are used during resource loading. 1. Current Thread class loader Classloader contextclassloader = thread. currentthread (). getcontextclassloader (); 2. Current Class Loader Classloader contextclassloader = confighelper. Class. getclassloader (); 3. System Class Loader Classloader contextclassloader = classloader. getsystemclassloader () Load in sequence according to 1, 2, and 3. If the current Thread cl

Org. Apache. hadoop. hbase. Client. retriesexhaustedwithdetailsexception Exception Handling

When hbase writes data, the following exception occurs: Org. Apache. hadoop. hbase. Client. retriesexhaustedwithdetailsexception: Failed 3465 actions: servers with issues: cloudgis2: 60020,At org. Apache. hadoop. hbase. Client. hconnectionmanager $ hconnectionimplementation. processbatch (hconnectionmanager. Java: 1424)At org. Apache. hadoop. hbase. Client. hconn

Tomcat cannot be started. Error: Java. Lang. noclassdeffounderror: ORG/Apache/Juli/logging/logfactory (zt)

Tomcat cannot be started. The following error occurs: Java. Lang. noclassdeffounderror: ORG/Apache/Juli/logging/logfactory. 15:58:46 | category: Tomcat | label: Juli Java Lang Apache org | font size subscription Some time ago, I saw several beta versions of tomcat7.0 released. I didn't test it because it was not stable. Today I saw the news that the official version of tomcat7.0 has been released. I downloa

Weblogic Cause: org. hibernate. exception. GenericJDBCException: Connection closed, connectionclosed

Weblogic Cause: org. hibernate. exception. GenericJDBCException: Connection closed, connectionclosed The weblogic site reports an error, resulting in data delivery failure. The error message is as follows: ### Error opening session. Cause: org. hibernate. exception. GenericJDBCException: Connection closed### Cause: org. hibernate. exception. GenericJDBCExceptio

Org. PostgreSQL. util. psqlexception: Error: column "loginid" of relation "userinfo &#

Background: initial exposure to postsql, all fields are capitalized. The postsql field must be in lower case. Otherwise, the following error occurs: Caused by: Org. postgreSQL. util. psqlexception: Error: column "loginid" of relation "userinfo" does not exist location: 30at Org. postgreSQL. core. v3.queryexecutorimpl. receiveerrorresponse (queryexecutorimpl. java: 2101) at

How to publish an org document to a web project

When we use Emacs Org to take a lot of notes and write a lot of experience, we will certainly want to publish them as websites. By posting notes to a Web page, we can easily share our experiences with others. In general, there are three common methods: First, you can use the built-in page publishing function of Org to publish a static webpage (or view this document ). Second, if we need more complex and A

Java example of sending emails (with attachments) using org. Apache. commons. Mail

Package mail; import java. Io. unsupportedencodingexception; import javax. Mail. Internet. mimeutility; import org. Apache. commons. Mail. emailattachment; Import org. Apache. commons. Mail. emailexception; Import org. Apache. commons. Mail. multipartemail; Import org. Apache. commons. Mail. simpleemail; public class s

Org/Eclipse/PHP/Internal/debug/CORE/preferences/phpprojectpreferences

I encountered a very depressing thing today. I had a good time installing Zend debug in the morning, but I don't know what the problem occurred in the afternoon. The error prompt always pops up, which is inexplicable, this seriously affects productivity. For example, org/Eclipse/PHP/Internal/debug/CORE/preferences/phpprojectpreferences, or org. Eclipse. Debug. Core. debugexception: errors related to debuggi

SWT exception: org. Eclipse. SWT. swtexception: Invalid thread access

Attempt to modify the interface element in a thread other than the thread that created the SWT interface will throw the following exception Exception in thread "thread-0" org. Eclipse. SWT. swtexception: Invalid thread access At org. Eclipse. SWT. SWT. Error (SWT. Java: 2942) At org. Eclipse. SWT. SWT. Error (SWT. Java: 2865) At

ClassNotFoundException: org. hibernate. hql. ast. HqlToken

After the project is moved from TOMCAT7 to WEBLOGIC12C, the exception org. hibernate. QueryException: ClassNotFoundException occurs: Org. hibernate. hql. ast. HqlToken; I checked on the Internet, because hibernate3.0 is based on anlr HQL/SQL query translator, using antlr-x-x-x.jar, however weblogic. jar already contains the antrl class library, and weblogic. the jar loading sequence is limited than the jar

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