Java. Lang. abstractmethoderror: Oracle. JDBC. Driver. oracleconnection. getholdability () I
At com. mchange. v2.c3p0. impl. newpooledconnection. carefulcheckholdability (newpooledconnection. Java: 117)
At com. mchange. v2.c3p0. impl. newpooledconnection. <init> (newpooledconnection. Java: 109)
At com. mchange. v2.c3p0. wrapperconnectionpooldatasource. getpooledconnection (wrapperconnectionpooldatasource. Java: 198)
At com. mchange. v2.c3p0. wrapperconnectionpooldatasource. getpooledconnection (wrapperconnectionpooldatasource. Java: 171)
At com. mchange. v2.c3p0. impl. c3p0pooledconnectionpool $ 1pooledconnectionresourcepoolmanager. acquireresource (c3p0pooledconnectionpool. Java: 137)
At com. mchange. v2.resourcepool. basicresourcepool. doacquire (basicresourcepool. Java: 1014)
At com. mchange. v2.resourcepool. basicresourcepool. Access $800 (basicresourcepool. Java: 32)
At com. mchange. v2.resourcepool. basicresourcepool $ acquiretask. Run (basicresourcepool. Java: 1810)
At com. mchange. v2.async. threadpoolasynchronousrunner $ poolthread. Run (threadpoolasynchronousrunner. Java: 547)
This is an oracle connection problem that cannot be found. Please reply to the problem. Thank you very much.
Postscript:
Some people say it's okay to change to ojdbc14.jar.