报错信息:com.alibaba.druid.pool.DruidDataSource - testWhileIdle is true, validationQuery not set 解决方法: 找到conf/canal.properties 文件里面的 canal.instance.tsdb.spring.xml=classpath:spring/tsdb/h2-tsdb.xml 信息,给注释掉…
Could not open JDBC Connection for transaction; nested exception is com.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 3000, active 16, maxActive 16" 这个异常可能是因为druid连接池泄漏产生的异常.连接超时,active和maxActive相等,不能够创建新的连接,如果很长时间还获取不到,很有可能是连接池泄漏造成的,…
java.lang.ClassCastException: com.alibaba.druid.pool.DruidPooledConnection cannot be cast to oracle.jdbc.OracleConnection at oracle.sql.ArrayDescriptor.createDescriptor(ArrayDescriptor.java:105) at oracle.sql.ArrayDescriptor.createDescriptor(ArrayDes…