今天在调项目的时候，突然报了这样一个错误 :
unable to extend table SYS.AUD$ by 8192 in tablespace SYSTEM
具体错误信息如下：
WARN – com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1a78424 — Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resource, we failed to succeed more than the maximum number of allowed acquisition attempts (5). Last acquisition attempt exception: – [21:30:31,771]com.mchange.v2.resourcepool.BasicResourcePool
java.sql.SQLException: ORA-00604: error occurred at recursive SQL level 1
ORA-01653: unable to extend table SYS.AUD$ by 8192 in tablespace SYSTEM
ORA-02002: error while writing to audit trail
ORA-00604: error occurred at recursive SQL level 1
ORA-01653: unable to extend table SYS.AUD$ by 8192 in tablespace SYSTEM
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:331)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:283)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:278)
at oracle.jdbc.driver.T4CTTIoauthenticate.receiveOauth(T4CTTIoauthenticate.java:785)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:362)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:414)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:165)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:801)
at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134)
at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
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$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
一看这个错误，发现是因为数据库的表空间不足造成的，
所以解决这种问题大概有三种办法
(1)更改system表空间的数据文件SYSTEM.dbf分配空间
alter database datafile ‘/u04/oradata/truth/system.dbf’ resize 2048M; //因为数据量很大，而且表内有多个用户，所以扩容到了2G,另外前面的system.dbf这个名字可和当时创建数据库时命名空间一致；
(2)为system表空间另外新增一个数据文件
(3)把system表空间中的表移到非系统表空间
检查下是否有其他非系统表放在系统表空间下,
要是有的话,可以移到非系统表空间
alter table move tablespace tablespace_name
unable to extend table SYS.AUD$ by 8192 in tablespace SYSTEM