JNDI获取数据源出现AbstractMethodError错误：

1
2
3
4
5
6
7
8
java.lang.AbstractMethodError: org.apache.derby.impl.jdbc.EmbedConnection30.isValid(I)Z
	at org.apache.tomcat.dbcp.dbcp2.DelegatingConnection.isValid(DelegatingConnection.java:897)
	at org.apache.tomcat.dbcp.dbcp2.PoolableConnection.validate(PoolableConnection.java:270)
	at org.apache.tomcat.dbcp.dbcp2.PoolableConnectionFactory.validateConnection(PoolableConnectionFactory.java:630)
	at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.validateConnectionFactory(BasicDataSource.java:118)
	at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:665)
	at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.createDataSource(BasicDataSource.java:544)
	at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:753)

解决方案：

是因为代码derby数据库的版本是 《10.1.3.1》，实际本地derby版本是《10.14.2.0》。版本不一致导致出现问题。