驗證Linux配置Tomcat數據源（DB2）時，數據源的配置如下：
conf\server.xml：
<GlobalNamingResources>
<!– Test entry for demonstration purposes –>
<Environment name=”simpleValue” type=”java.lang.Integer” value=”30″/>
<!– Editable user database that can also be used by
UserDatabaseRealm to authenticate users –>
<Resource name=”UserDatabase” auth=”Container”
type=”org.apache.catalina.UserDatabase”
description=”User database that can be updated and saved”
factory=”org.apache.catalina.users.MemoryUserDatabaseFactory”
pathname=”conf/tomcat-users.xml” />
<Resource driverClassName=”com.ibm.db2.jcc.DB2Driver” maxActive=”4″ maxIdle=”2″ maxWait=”5000″ name=”DefaultDataSource” password=”131468″ type=”javax.sql.DataSource” url=”jdbc:db2://127.0.0.1:50000/zxdb” username=”db2admin”/>
</GlobalNamingResources>
conf\context.xml：
<Context>
<!– Default set of monitored resources –>
<WatchedResource>WEB-INF/web.xml</WatchedResource>
<!– Uncomment this to disable session persistence across Tomcat restarts –>
<!–
<Manager pathname=”” />
–>
<ResourceLink global=”DefaultDataSource” name=”DefaultDataSource” type=”javax.sql.DataSource”/>
</Context>
異常錯誤信息如下：
Message: 沒有找到名稱為 ”{0}” 的數據源.(the datasource with
name ‘default’ cannot get connection!)
at
com.primeton.common.connection.impl.datasource.ext.UnconfirmedD
ataSource.getDataSource(UnconfirmedDataSource.java:83)
at
com.primeton.common.connection.impl.datasource.ext.UnconfirmedD
ataSource.getConnection(UnconfirmedDataSource.java:124)
將db2jcc.jar、db2jcc_license_cisuz.jar、db2jcc_license_cu.jar、jta.jar（解決java.lang.NoClassDefFoundError: javax/transaction/UserTransaction）
4個jar包，放到Tomcat的common\lib目錄下，然後重啟服務。
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