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., 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
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
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
; - - 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
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
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
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
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
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
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
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
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
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
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
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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