wso2 api manager： - 等到Qpid服务器在端口上启动

Question

使用默认设置和h2数据库启动WSO2 API Manager时。它无法启动。错误如下： -

TID: [-1234] [] [2018-06-18 05:44:07,794] ERROR {org.wso2.carbon.andes.internal.QpidServiceComponent} -  Wait until Qpid server starts on port 5672 {org.wso2.carbon.andes.internal.QpidServiceComponent}
java.net.ConnectException: Connection refused (Connection refused)
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
        at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:204)
        at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
        at java.net.Socket.connect(Socket.java:589)
        at java.net.Socket.connect(Socket.java:538)
        at java.net.Socket.<init>(Socket.java:434)
        at java.net.Socket.<init>(Socket.java:244)
        at org.wso2.carbon.andes.internal.QpidServiceComponent.startAMQPServer(QpidServiceComponent.java:488)
        at org.wso2.carbon.andes.internal.QpidServiceComponent.startAndesBroker(QpidServiceComponent.java:439)
        at org.wso2.carbon.andes.internal.QpidServiceComponent.activate(QpidServiceComponent.java:165)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.eclipse.equinox.internal.ds.model.ServiceComponent.activate(ServiceComponent.java:260)
        at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146)
        at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:345)
        at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620)
        at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197)
        at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:343)
        at org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:222)
        at org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:107)
        at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
        at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)

注意： - 此处禁用Firewalld服务。

Answer 1

首先，检查是否有任何其他进程占用5672.（如果是，则终止该进程或将WSO2端口偏移n。）然后，让它尝试连接20分钟。如果没有，请检查当时的CPU利用率。类似的问题通过增加CPU核心数量得到解决。

Answer 2

尝试关闭防火墙

sudo ufw disable