[英]WildFly could not fork new process for connection
我正在使用WildFly應用程序和PostgreSQL運行簡單的OpenShift實例,並不斷獲取Caused by: org.postgresql.util.PSQLException: Connection rejected: could not fork new process for connection: Resource temporarily unavailable
我在server.log中觀察到的
我怎樣才能解決這個問題? 嘗試連接Postgre並退出線程的應用程序
我的persistence.xml
<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1"
xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://xmlns.jcp.org/xml/ns/persistence
http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
<persistence-unit name="primary">
<!-- The datasource is deployed as WEB-INF/tp-ds.xml, you
can find it in the source at src/main/webapp/WEB-INF/tp-ds.xml -->
<jta-data-source>java:jboss/datasources/PostgreSQLDS</jta-data-source>
<properties>
<property name="hibernate.hbm2ddl.auto" value="create-drop" />
<property name="hibernate.show_sql" value="false" />
<property name="hibernate.dialect" value="org.hibernate.dialect.PostgreSQLDialect"/>
</properties>
</persistence-unit>
</persistence>
我的datasources.xml
<?xml version="1.0" encoding="UTF-8"?>
<datasources xmlns="http://www.jboss.org/ironjacamar/schema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.jboss.org/ironjacamar/schema http://docs.jboss.org/ironjacamar/schema/datasources_1_0.xsd">
<datasource jndi-name="java:jboss/datasources/TpDS"
pool-name="TpDs" enabled="true"
use-java-context="true">
<connection-url>jdbc:h2:mem:tp;DB_CLOSE_DELAY=-1</connection-url>
<driver>h2</driver>
<security>
<user-name>sa</user-name>
<password>sa</password>
</security>
</datasource>
<datasource jndi-name="java:jboss/datasources/PostgreSQLDS" enabled="${postgresql.enabled}" use-java-context="true" pool-name="PostgreSQLDS" use-ccm="true">
<connection-url>jdbc:postgresql://${env.OPENSHIFT_POSTGRESQL_DB_HOST}:${env.OPENSHIFT_POSTGRESQL_DB_PORT}/${env.OPENSHIFT_APP_NAME}</connection-url>
<driver>postgresql</driver>
<security>
<user-name>${env.OPENSHIFT_POSTGRESQL_DB_USERNAME}</user-name>
<password>${env.OPENSHIFT_POSTGRESQL_DB_PASSWORD}</password>
</security>
</datasource>
<drivers>
<driver name="postgresql" module="org.postgresql.jdbc">
<xa-datasource-class>org.postgresql.xa.PGXADataSource</xa-datasource-class>
</driver>
</drivers>
</datasources>
這是與openshift設置中錯誤的群集和消息傳遞完全相關的問題。 要修復它,您將需要在.openshift/config/
找到standalone.xml
並將群集池更改為較低的值,同時將消息池更改為下面的示例
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