记录一下以前遇到的问题 在使用db2数据库处理数据的时候,碰到特殊字段,出现的问题 java.io.charConversionException 官方解决方法: db2.jcc.charsetDecoderEncoder=3 so that instead of throwing an exception the JCC driver returns the Unicode REPLACEMENT CHARACTER (U+FFFD) in place of a sequence of byt…

一个客户端连接服务器的小程序,服务器端可以正常读取客户端发来的数据 但是当客户端关闭时,服务端也关闭了,并且抛出如下的异常: java.io.EOFException at java.io.DataInputStream.readUnsignedShort(DataInputStream.java:323) at java.io.DataInputStream.readUTF(DataInputStream.java:572) at java.io.DataInputStream.readUTF…

270002WDPN                                            3 Posts                             0 people like this   Pinned topic                                                              Caught java.io.CharConversionException. ERRORCODE=-4220, SQLSTATE…

Technote (troubleshooting) Problem(Abstract) When an application uses the IBM Data Server Driver for JDBC and SQLJ (also known as the JCC driver) and is connected to a database with code set UTF-8 (code page 1208), it throws an SqlException with mess…

笔记一下 问题代码如下: response.setContentType("text/html;charset=utf-8");ServletOutputStream out = response.getOutputStream(); 然后我用out对象向页面输出汉字:out.println("<p>留言簿</p>"); 然后提示出错: java.io.CharConversionException: Not an ISO 8859-1 ch…

java.io.CharConversionException: Not an ISO 8859-1 character: XXX 这个问题可能是因为outputstream输出中文字造成的影响. response.setContentType("text/html;charset=UTF-8"); //response.getOutputStream().print("中文字"); //这行会出错 response.getWriter().print("…

项目中有个 WebService 接口,调试时使用 Main 方法运行,别人的机器上都能运行,就笔者的机器出问题.他们说是RP的问题…… 异常信息: java.io.InvalidClassException: javax.xml.namespace.QName; local class incompatible: stream classdesc serialVersionUID = 4418622981026545151, local class serialVersionUID = -91…

项目中用到hbase,有时候可能会报一些异常,比如java.io.IOException: Unable to determine ZooKeeper ensemble 等等,当出现这个问题时,根据个人经验,是由于zookeeper集群地址不可访问导致的,但某某说是项目中用到线程池的问题导致的,咱就看看吧,异常信息如下: java.io.IOException: Unable to determine ZooKeeper ensemble at org.apache.hadoop.hbase.z…

执行hadoop任务时报错: -- ::, INFO [main] org.apache.hadoop.mapred.MapTask: Processing --//app1@flume23_10003_4..gz:+,/flume/nginx/app2/--//app2@flume174_10003_9..gz:+ -- ::, WARN [main] org.apache.hadoop.security.UserGroupInformation: PriviledgedActionExcep…

使用用POI导出文件时抛出异常java.io.IOException: Broken pipe ERROR: 'java.io.IOException: Broken pipe' org.apache.poi.openxml4j.exceptions.OpenXML4JRuntimeException: Fail to save: an error occurs while saving the package : The part /docProps/core.xml fail to be s…