新手 架設 黑盒子問題 求解

beasts15

	Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=32M; support was removed in 8.0 Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=64M; support was removed in 8.0 Java HotSpot(TM) 64-Bit Server VM warning: disabling UseAdaptiveSizePolicy; it is incompatible with UseConcMarkSweepGC. Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release Java HotSpot(TM) 64-Bit Server VM warning: UseCMSCompactAtFullCollection is deprecated and will likely be removed in a future release. -> 正在載入 ./config/*.properties 設定..OK! 12ms [防火牆] 白名單數量: 0 五月 05, 2019 1:26:32 上午 l1j.server.L1DatabaseFactory <init> 嚴重: Connections could not be acquired from the underlying database! 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 l1j.server.L1DatabaseFactory.<init>(L1DatabaseFactory.java:50)         at l1j.server.L1DatabaseFactory.getInstance(L1DatabaseFactory.java:80)         at l1j.server.Server.main(Server.java:69) 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 Exception in thread "main" java.sql.SQLException: java.sql.SQLException: Connections could not be acquired from the underlying database!         at l1j.server.L1DatabaseFactory.<init>(L1DatabaseFactory.java:56)         at l1j.server.L1DatabaseFactory.getInstance(L1DatabaseFactory.java:80)         at l1j.server.Server.main(Server.java:69) 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 l1j.server.L1DatabaseFactory.<init>(L1DatabaseFactory.java:50)         ... 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

我很耐斯

	連不到你底層資料庫  妳再確定一下 sql.propites 設定的資料庫連線是否正確

a4026

	我也有一樣的問題，目前還不知道應該如何解決才對

hinroung

	不好意思,目前也遇到相同問題,頭痛中....

bitch1945

	一般都是 java 這邊的問題.

hinroung

	大大雖然時間過了很久,但是今天有大大幫忙解決了我的問題,可能是mysql sever版本的問題,我本來是8.0後來改成5.5版就可以了,有機會你可以試試

漫無目的

	hinroung 發表於 2019-8-30 10:24 大大雖然時間過了很久,但是今天有大大幫忙解決了我的問題,可能是mysql sever版本的問題,我本來是8.0後來改 ... 我也有遇到這個問題… 我的mysql server已經是5.5的，還是不行…真是頭痛

bg1260

	漫無目的 發表於 2019-9-16 23:46 我也有遇到這個問題… 我的mysql server已經是5.5的，還是不行…真是頭痛 我也遇過這個問題 後來下載mysql-installer-community-8.0.17.0 不管裝幾次都失敗 後來GOOGLE教學 後來發現有一個地方程式更新後就沒問題了 忘記是哪邊了 你可以研究一下

A01230123

	感謝分享唷

jsi3017

	感謝分享!!!