Fehler

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Die Ursache für diesen Fehler war:
org.apache.ojb.broker.PersistenceBrokerException: Used ConnectionManager instance could not obtain a connection     
org.apache.ojb.broker.accesslayer.StatementManager.getPreparedStatement(StatementManager.java: 624)     
org.apache.ojb.broker.accesslayer.JdbcAccessImpl.executeQuery(JdbcAccessImpl.java: 293)     
org.apache.ojb.broker.accesslayer.RsQueryObject.performQuery(RsQueryObject.java: 93)     
org.apache.ojb.broker.accesslayer.RsIterator.(RsIterator.java: 194)     
org.apache.ojb.broker.core.RsIteratorFactoryImpl.createRsIterator(RsIteratorFactoryImpl.java: 63)     
org.apache.ojb.broker.core.PersistenceBrokerImpl.getRsIteratorFromQuery(PersistenceBrokerImpl.java: 2242)     
org.apache.ojb.broker.core.PersistenceBrokerImpl.getIteratorFromQuery(PersistenceBrokerImpl.java: 2205)     
org.apache.ojb.broker.core.PersistenceBrokerImpl.getObjectByQuery(PersistenceBrokerImpl.java: 1871)     
kos.generator.broker.PB.getObjectByQuery(PB.java: 56)     
org.apache.ojb.broker.core.DelegatingPersistenceBroker.getObjectByQuery(DelegatingPersistenceBroker.java: 374)     
org.apache.ojb.broker.core.DelegatingPersistenceBroker.getObjectByQuery(DelegatingPersistenceBroker.java: 374)     
kos.generator.Queries.getObjectByQuery(Queries.java: 268)     
kos.generator.Queries.getObjectByCriteria(Queries.java: 228)     
kos.generator.Queries.find(Queries.java: 54)     
kos.wnetz.modules.enrollments.om.base.EnrollmentCapableLink.find(EnrollmentCapableLink.java: 28)     
kos.wnetz.modules.enrollments.LocalEnrollmentCapable.getEnrollmentCapableLink(LocalEnrollmentCapable.java: 27)     
kos.wnetz.modules.enrollments.LocalEnrollmentCapable.getEnrollmentData(LocalEnrollmentCapable.java: 40)     
kos.wnetz.modules.enrollments.ui.EnrollButton.init(EnrollButton.java: 38)     
kos.wnetz.modules.enrollments.ui.EnrollButton.mask_init(EnrollButton.java: 80)     
kos.wnetz.window.mask.ObjectTreeLoader.initializeWWObject(MaskGenerator.java: 334)     
... 117 weitere Elemente...
Ursache dafür war:
org.apache.ojb.broker.accesslayer.LookupException: Error getting Connection from DriverManager with url (jdbc:mysql://localhost:3306/675?autoReconnectForPools=true&zeroDateTimeBehavior=convertToNull&jdbcCompliantTruncation=false&useServerPrepStmts=false&allowPublicKeyRetrieval=true&useSSL=false&characterEncoding=latin1) and driver (com.mysql.jdbc.Driver)     
org.apache.ojb.broker.accesslayer.ConnectionFactoryAbstractImpl.newConnectionFromDriverManager(ConnectionFactoryAbstractImpl.java: 290)     
org.apache.ojb.broker.accesslayer.ConnectionFactoryNotPooledImpl.checkOutJdbcConnection(ConnectionFactoryNotPooledImpl.java: 46)     
org.apache.ojb.broker.accesslayer.ConnectionFactoryAbstractImpl.lookupConnection(ConnectionFactoryAbstractImpl.java: 144)     
org.apache.ojb.broker.accesslayer.ConnectionManagerImpl.getConnection(ConnectionManagerImpl.java: 121)     
org.apache.ojb.broker.accesslayer.StatementManager.getPreparedStatement(StatementManager.java: 620)     
org.apache.ojb.broker.accesslayer.JdbcAccessImpl.executeQuery(JdbcAccessImpl.java: 293)     
org.apache.ojb.broker.accesslayer.RsQueryObject.performQuery(RsQueryObject.java: 93)     
org.apache.ojb.broker.accesslayer.RsIterator.(RsIterator.java: 194)     
org.apache.ojb.broker.core.RsIteratorFactoryImpl.createRsIterator(RsIteratorFactoryImpl.java: 63)     
org.apache.ojb.broker.core.PersistenceBrokerImpl.getRsIteratorFromQuery(PersistenceBrokerImpl.java: 2242)     
org.apache.ojb.broker.core.PersistenceBrokerImpl.getIteratorFromQuery(PersistenceBrokerImpl.java: 2205)     
org.apache.ojb.broker.core.PersistenceBrokerImpl.getObjectByQuery(PersistenceBrokerImpl.java: 1871)     
kos.generator.broker.PB.getObjectByQuery(PB.java: 56)     
org.apache.ojb.broker.core.DelegatingPersistenceBroker.getObjectByQuery(DelegatingPersistenceBroker.java: 374)     
org.apache.ojb.broker.core.DelegatingPersistenceBroker.getObjectByQuery(DelegatingPersistenceBroker.java: 374)     
kos.generator.Queries.getObjectByQuery(Queries.java: 268)     
kos.generator.Queries.getObjectByCriteria(Queries.java: 228)     
kos.generator.Queries.find(Queries.java: 54)     
kos.wnetz.modules.enrollments.om.base.EnrollmentCapableLink.find(EnrollmentCapableLink.java: 28)     
kos.wnetz.modules.enrollments.LocalEnrollmentCapable.getEnrollmentCapableLink(LocalEnrollmentCapable.java: 27)     
... 121 weitere Elemente...
Ursache dafür war:
java.sql.SQLNonTransientConnectionException: Too many connections     
com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java: 110)     
com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java: 97)     
com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java: 122)     
com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java: 836)     
com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java: 456)     
com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java: 246)     
com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java: 199)     
java.sql.DriverManager.getConnection(DriverManager.java: 683)     
java.sql.DriverManager.getConnection(DriverManager.java: 191)     
org.apache.ojb.broker.accesslayer.ConnectionFactoryAbstractImpl.newConnectionFromDriverManager(ConnectionFactoryAbstractImpl.java: 284)     
org.apache.ojb.broker.accesslayer.ConnectionFactoryNotPooledImpl.checkOutJdbcConnection(ConnectionFactoryNotPooledImpl.java: 46)     
org.apache.ojb.broker.accesslayer.ConnectionFactoryAbstractImpl.lookupConnection(ConnectionFactoryAbstractImpl.java: 144)     
org.apache.ojb.broker.accesslayer.ConnectionManagerImpl.getConnection(ConnectionManagerImpl.java: 121)     
org.apache.ojb.broker.accesslayer.StatementManager.getPreparedStatement(StatementManager.java: 620)     
org.apache.ojb.broker.accesslayer.JdbcAccessImpl.executeQuery(JdbcAccessImpl.java: 293)     
org.apache.ojb.broker.accesslayer.RsQueryObject.performQuery(RsQueryObject.java: 93)     
org.apache.ojb.broker.accesslayer.RsIterator.(RsIterator.java: 194)     
org.apache.ojb.broker.core.RsIteratorFactoryImpl.createRsIterator(RsIteratorFactoryImpl.java: 63)     
org.apache.ojb.broker.core.PersistenceBrokerImpl.getRsIteratorFromQuery(PersistenceBrokerImpl.java: 2242)     
org.apache.ojb.broker.core.PersistenceBrokerImpl.getIteratorFromQuery(PersistenceBrokerImpl.java: 2205)     
... 130 weitere Elemente...