Receiving "java.net.SocketTimeoutException: Read timed out" Errors on Apache in JON

Issue

• I've recently turned on alerts, over the last few days we've received false alerts of web tier outages. How can this be prevented? The error message is a ReadTimedOut:

2012-09-26 13:53:12,704 DEBUG [ResourceContainer.invoker.daemon-935] (rhq.plugins.www.util.WWWUtils)- URL [https://ssodev.ext.doj.ca.gov/opensso/] returned unavailable due to: Read timed out
java.net.SocketTimeoutException: Read timed out
    at java.net.SocketInputStream.socketRead0(Native Method)
    at java.net.SocketInputStream.read(SocketInputStream.java:129)
    at com.sun.net.ssl.internal.ssl.InputRecord.readFully(InputRecord.java:293)
    at com.sun.net.ssl.internal.ssl.InputRecord.read(InputRecord.java:331)
    at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:830)
    at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:787)
    at com.sun.net.ssl.internal.ssl.AppInputStream.read(AppInputStream.java:75)
    at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
    at java.io.BufferedInputStream.read1(BufferedInputStream.java:258)
    at java.io.BufferedInputStream.read(BufferedInputStream.java:317)
    at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:697)
    at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1195)
    at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:379)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:318)
    at org.rhq.plugins.www.util.WWWUtils.isAvailable(WWWUtils.java:64)
    at org.rhq.plugins.apache.ApacheVirtualHostServiceComponent.getAvailability(ApacheVirtualHostServiceComponent.java:134)
    at sun.reflect.GeneratedMethodAccessor123.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.rhq.core.pc.inventory.ResourceContainer$ComponentInvocationThread.call(ResourceContainer.java:552)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
    at java.util.concurrent.FutureTask.run(FutureTask.java:138)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    at java.lang.Thread.run(Thread.java:662)