随机出现的javax.net.ssl.SSLException：无法识别的SSL消息，明文连接？

Question

During the execution of My java code i get the this error message

Exception in thread "main" AxisFault  faultCode:
{http://schemas.xmlsoap.org/soap/envelope/}Server.userException
faultSubcode:   faultString: javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
faultActor:   faultNode:
faultDetail: 
{http://xml.apache.org/axis/}stackTrace: javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?    at
com.sun.net.ssl.internal.ssl.InputRecord.handleUnknownRecord(InputRecord.java:523) at
 com.sun.net.ssl.internal.ssl.InputRecord.read(InputRecord.java:355) at
com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:830)   at
com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1170) at
com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1197)  at
com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1181)  at
org.apache.axis.components.net.JSSESocketFactory.create(JSSESocketFactory.java:186) at
org.apache.axis.transport.http.HTTPSender.getSocket(HTTPSender.java:191)    at
org.apache.axis.transport.http.HTTPSender.writeToSocket(HTTPSender.java:404)    at
org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:138) at
org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32) at
org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)    at
org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)     at
org.apache.axis.client.AxisClient.invoke(AxisClient.java:165)   at
org.apache.axis.client.Call.invokeEngine(Call.java:2765)    at
org.apache.axis.client.Call.invoke(Call.java:2748)  at
org.apache.axis.client.Call.invoke(Call.java:2424)  at
org.apache.axis.client.Call.invoke(Call.java:2347)  at
org.apache.axis.client.Call.invoke(Call.java:1804)  at
crmondemand.ws.ecbs.customobject5.CustomObject5_BindingStub.customObject5Update(CustomObject5_BindingStub.java:301) at
crm.sapGUID.urlupdate(sapGUID.java:170)     at
 crm.sapGUID.readExcelFile(sapGUID.java:102)    at
 crm.sapGUID.main(sapGUID.java:218)

The occurence of this error is random everytime i re-run my program.Sometimes after 10 mins, sometimes after 8 mins, sumtime after 1 min to sumtime even after 15 mins.

I am behind proxy and have hardcoded the same proxy setting in my JAVA as in my Internt Explorer as

System.setProperty("https.proxyHost", "172.*.*.*");
System.setProperty("https.proxyPort", "8003");
System.setProperty("javax.net.ssl.trustStore", "/Oracle/Middleware/wlserver_10.3/server/lib/cacerts");

Answer 1

I think it is because you are using System.setProperty() ... and if something else in the same JVM is calling the same System.setProperty() it will override your setting. Your best shot here is to use:

InetSocketAddress proxyInet = new InetSocketAddress("172...*",8003);
Proxy proxy = new Proxy(Proxy.Type.HTTP, proxyInet);

The javax.net.ssl.trustStore might be ok, since it is passing in through -D option from the command line and rarely change and so, I don't think you need to set it in your code. At least if you need it, set it in a static {} block so it will only be loaded one, no need for repeat setting.

Answer 2

Unless you are always running this with the same URL, you are doing exactly what it says in the exception: using SSL to connect to a plaintext port. Occasionally.

Answer 3

set environment variable

_JAVA_OPTIONS = -Djava.net.preferIPv4Stack=true

This solved my issue.If you are on company's private network, give it a try.