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gxlzlijng

2016-12-09 15:03

@JFinal 谢谢波总，顺便问一下 jfinal_config.txt 部署到生产时会被编绎加密吗？

Generator 代码生成器是不是不支持 sql server？ , 运行总出错，无法自动生成代码。

gxlzlijng

2016-12-09 09:42

@JFinal @JFinal C3P0 跟Druid 配置好像不一样，可以发个标准的配置示例参考下吗，谢谢！

Generator 代码生成器是不是不支持 sql server？ , 运行总出错，无法自动生成代码。

gxlzlijng

2016-12-08 16:25

波总您好，我已经能在controll 中查出数据，但 generator 还是出错：@Before(BlogInterceptor.class)
public class BlogController extends Controller {
public void index() {

setAttr("blogPage", Blog.me.paginate(getParaToInt(0, 1), 100));
///render("blog.html");
renderJson() ;

} 上面的代码已能正确返回数据: {"blogPage":{"lastPage":true,"pageSize":100,"pageNumber":1,"list":[{"content":"222","id":1,"title":"1","tempcolumn":0,"temprownumber":1},{"content":"qqqqq","id":2,"title":"2","tempcolumn":0,"temprownumber":2}],"firstPage":true,"totalRow":2,"totalPage":1}} 但用generator 生成代码仍然出错（这个错好像跟原来不一样？）：
2016-12-08 16:23:47
[WARN]-[Thread: Timer-0]-[com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector.run()]: com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@d67d61 -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!

2016-12-08 16:23:47
[WARN]-[Thread: Timer-0]-[com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector.run()]: com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@d67d61 -- APPARENT DEADLOCK!!! Complete Status:
Managed Threads: 3
Active Threads: 3
Active Tasks:
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@e7736c (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@14ad296 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1479a6b (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0)
Pending Tasks:
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1eae775
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@101b455
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@e6529c
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1399ae5
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@e8709d
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@397cea
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@380dbe
Pool thread stack traces:
Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1,5,main]
java.lang.Thread.sleep(Native Method)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1805)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2,5,main]
java.lang.Thread.sleep(Native Method)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1805)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0,5,main]
java.lang.Thread.sleep(Native Method)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1805)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)

2016-12-08 16:23:56
[WARN]-[Thread: com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2]-[com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run()]: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@14ad296 -- 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 (30). Last acquisition attempt exception:
java.sql.SQLException: No suitable driver
at java.sql.DriverManager.getDriver(Unknown Source)
at com.mchange.v2.c3p0.DriverManagerDataSource.driver(DriverManagerDataSource.java:223)
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)
Exception in thread "main" java.lang.RuntimeException: java.sql.SQLException: Connections could not be acquired from the underlying database!
at com.jfinal.plugin.activerecord.generator.MetaBuilder.build(MetaBuilder.java:102)
at com.jfinal.plugin.activerecord.generator.Generator.generate(Generator.java:210)
at com.demo.common.model._JFinalDemoGenerator.main(_JFinalDemoGenerator.java:45)
Caused by: java.sql.SQLException: Connections could not be acquired from the underlying database!
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:529)
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
at com.jfinal.plugin.activerecord.generator.MetaBuilder.build(MetaBuilder.java:90)
... 2 more
Caused by: com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source.
at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1319)
at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)
at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)
... 4 more

2016-12-08 16:23:56
[WARN]-[Thread: com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1]-[com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run()]: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@e7736c -- 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 (30). Last acquisition attempt exception:
java.sql.SQLException: No suitable driver
at java.sql.DriverManager.getDriver(Unknown Source)
at com.mchange.v2.c3p0.DriverManagerDataSource.driver(DriverManagerDataSource.java:223)
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)

2016-12-08 16:23:56
[WARN]-[Thread: com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0]-[com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run()]: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1479a6b -- 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 (30). Last acquisition attempt exception:
java.sql.SQLException: No suitable driver
at java.sql.DriverManager.getDriver(Unknown Source)
at com.mchange.v2.c3p0.DriverManagerDataSource.driver(DriverManagerDataSource.java:223)
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)