2. 程式人生 > >Data source rejected establishment of connection, message from server: "Too many connections"

Data source rejected establishment of connection, message from server: "Too many connections"

阿新 • • 發佈：2017-08-02
logs ucc access register nds code mysq acc ora 

 1 com.mchange.v2.resourcepool.BasicResourcePool(line/:1841) -
 2 [email protected]a -- 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: 

 
 3 com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Data source rejected establishment of connection,  message from server: "Too many connections"
 4     at sun.reflect.GeneratedConstructorAccessor11.newInstance(Unknown Source)
 5     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

 
 6     at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
 7     at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
 8     at com.mysql.jdbc.Util.getInstance(Util.java:386)
 9     at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
10     at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)

 
11     at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)
12     at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1136)
13     at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2395)
14     at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2428)
15     at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2213)
16     at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:797)
17     at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
18     at sun.reflect.GeneratedConstructorAccessor13.newInstance(Unknown Source)
19     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
20     at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
21     at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
22     at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:389)
23     at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
24     at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134)
25     at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
26     at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171)
27     at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137)
28     at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)
29     at com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32)
30     at com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)
31     at com.mchange.v2.async.ThreadPerTaskAsynchronousRunner$TaskThread.run(ThreadPerTaskAsynchronousRunner.java:255)

Data source rejected establishment of connection, message from server: "Too many connections"

相關推薦

Data source rejected establishment of connection, message from server: &quot;Too many connections&quot;

重新 並發 登錄用戶 -c https 但是 ces 部署 ins 詳細錯誤信息： Caused by: com.MySQL.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Data source re

Data source rejected establishment of connection, message from server: &quot;Too many connections&quot;

logs ucc access register nds code mysq acc ora 1 com.mchange.v2.resourcepool.BasicResourcePool(line/:1841) - 2 [email protec

Mysql的錯誤,待解決[已解決]Data source rejected establishment of connection message from server: "Too many connections";

[15:22:53,461] [CustomExceptionHandler,44] - Handle Exception:Hibernate operation: Cannot open connection; uncategorized SQLException for

null, message from server: &quot;Host 'PC-20130201IBXI' is blocked because of many connection errors; un

忽然一天，資料庫連線拋了異常：null,  message from server: "Host 'PC-20130201IBXI' is blocked because of many&n

Oracle JDBC2.0 資料來源(Data Source)與連線池(Connection Pool)

原先倒是可以用JSP寫出來小型的資料庫應用程式,不滿足單單掌握JSP,因為我寫的時候一直看不到java 完整原始碼,所以很鬱悶,呵呵.修改的時候也比較煩,Servlet 也是,out.println(“<html>”)更鬱悶.不單純的東西總是讓人變的不舒服,而單純

連接mysql時報：message from server: &quot;Host '192.168.76.89' is not allowed to connect to this MySQL server

conn hang 方案 mysql ges fec 它的 0.00 數據 處理方案： 1、先用localhost方式連接到MySQL數據庫，然後使用MySQL自帶的數據庫mysql; use mysql； 2、執行：select host fro

Mysql報錯message from server: ERROR 1062 (23000):

tor bsp rim ble user slow_log dup slow topic Mysql連接報錯：java.sql.SQLException:null,message from server:"Host '27,45,38,132' i

Mysql報錯 message from server: &quot;Host '61.148.245.96' is not allowed to connect to this MySQL server

  原因是：遠端伺服器不允許你的java程式訪問它的資料庫。所以，我們要對遠端伺服器進行設定，使它允許你進行連線。 步驟：一、開啟mysql控制檯，輸入：use mysql; 二、輸入：show tables; 三、輸入：select host from

(辦公)mysql連線不上(java.sql.SQLException: null, message from server: &quot;Host 'LAPTOP-O0GA2P8J' is not allowed to connect to this MySQL server&qu

轉載自csdn文章:https://blog.csdn.net/Tangerine_bisto/article/details/803461511.對所有主機進行訪問授權 GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY'mypass

java.sql.SQLException: null, message from server: &quot;Host 'xxx.xxx.xxx.xxx' is not allowed to connect

其實道理很簡單，也就是說，遠端的機器B不允許機器A訪問他的資料庫。 一：開啟mysql控制檯 #use mysql; #show tables;   二：輸入 #select host from user; #update user set host =

message from server: "Host is not allowed to connect to this MySQL server"解決辦法

解決方法： 1. 改表法。 可能是你的帳號不允許從遠端登陸，只能在localhost。這個時候只要在localhost的那臺電腦，登入mysql後，更改 "mysql" 資料庫裡的 "user" 表裡的 "host" 項，從"localhost"改稱"%" mysql -u root -pvmwaremys

[Z3001]connection to database 'zabbix' failed: [1040] Too many connections 問題及處理

Zabbix監控系統連線的MySQL資料庫，無法啟動zabbix-server，檢視日誌發現有如下資訊 [Z3001] connection to database 'zabbix' failed: [1040] Too many connections 資料庫連線過多，資料庫自動退出。

zookeeper NIOServerCnxn: Too many connections from IP- max is 10 異常解

預設zookeeper給每個客戶端IP使用的連線數為10個，經常會出現連線不夠用的情況。修改連線數目前好像只支援zoo.cfg配置檔案修改，所以需要zookeeper重啟才能生效。 zoo.cfg: maxClientCnxns=300 否則報錯如下：2011-10-28

[Z3001]connection to database 'zabbix' failed: [1040] Too many connections 問題及處理

Zabbix監控系統連線的MySQL資料庫，無法啟動zabbix-server，檢視日誌發現有如下資訊 [Z3001] connection to database 'zabbix' failed: [1040] Too many connections 資料庫連線過多，

Receive a message from AAA of cutting user on華為設備

需求 pack ann 設備 receive 華為設備 down online scheme Issue Description 問題描述Customer configure radius service.After uplink connect to radius ser

A note from an open source lead developer who got banned from his community due to Code Of Conduct…

A note from an open source lead developer who got banned from his community due to Code Of Conduct violationsI have been, for twelve years, the most prolif

異常: Recieved SHUTDOWN signal from Resourcemanager ,Registration of NodeManager failed, Message from ResourceManager: NodeManager from localhost doesn&

異常: Recieved SHUTDOWN signal from Resourcemanager ,Registration of NodeManager failed, Message from ResourceManager: NodeManager from localhost doesn't s

X11 connection rejected because of wrong authentication 解決

在Linux上裝了X11 server, 通過Xming 在本地開啟UI來觀察系統情況。 結果發現非root使用者無法使用，報出 X11 connection rejected because of wrong authentication 錯誤。 特記錄解決方法如下：

[RxJS] Use takeUntil instead of manually unsubscribing from Observables

call one time span div func opera -c out Manually unsubscribing from subscriptions is safe, but tedious and error-prone. This lesson will

C# 連接SQL Server數據庫的幾種方式--server+data source等方式

如何使用 sel 特定 html 項目 true -- 計算機 技術分享 C# 連接SQL Server數據庫的幾種方式--server+data source等方式 如何使用Connection對象連接數據庫？ 對於不同的.NET數據提供者，ADO.NET采用不同