|
DBの検索を行うプログラムを作成したのですが実行するとエラーが出てしまいます。環境は
Tomcat5.0
MySQLadmin 1.4
eclipse-SDK-3.5-win32
JDBCのドライバもビルド・パスに入れ込みました。
調べ方が悪いのか下記エラーの記事を探せませんでした。
改善法のご教授よろしくお願いします。
com.mysql.jdbc.CommunicationsException: Communications link failure
The last packet successfully received from the server was 94 milliseconds ago. The last packet sent successfully to the server was 32 milliseconds ago.
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3670)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3559)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4110)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2570)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2731)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2809)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2758)
at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1612)
at com.mysql.jdbc.ConnectionImpl.loadServerVariables(ConnectionImpl.java:4179)
at com.mysql.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:3582)
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2531)
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2301)
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834)
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:412)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:346)
at java.sql.DriverManager.getConnection(DriverManager.java:525)
at java.sql.DriverManager.getConnection(DriverManager.java:171)
at jdbcexample.DBSelectExample.main(DBSelectExample.java:20)
Caused by: java.net.SocketException: Software caused connection abort: recv failed
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:114)
at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:161)
at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:189)
at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3116)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3570)
... 17 more
|
