ZAP Error [java.net.SocketException] : Connection Reset

[MANISH S]

Hi 

When i try to launch a url through ZAP getting following error, but normally when i try to open url without ZAP it works without any issue.

can you let me know the steps to resolve

2025-04-16 12:34:20,908 [ZAP-telemetry-start] ERROR ExtensionCallHome - Connection reset
java.net.SocketException: Connection reset
at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:328) ~[?:?]
at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355) ~[?:?]
at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808) ~[?:?]
at java.base/java.net.Socket$SocketInputStream.read(Socket.java:966) ~[?:?]
at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484) ~[?:?]
at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478) ~[?:?]
at java.base/sun.security.ssl.SSLSocketInputRecord.decode(SSLSocketInputRecord.java:160) ~[?:?]
at java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:111) ~[?:?]
at java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1506) ~[?:?]
at java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1421) ~[?:?]
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:455) ~[?:?]
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:426) ~[?:?]
at org.apache.hc.client5.http.ssl.SSLConnectionSocketFactory.executeHandshake(SSLConnectionSocketFactory.java:303) ~[?:?]
at org.apache.hc.client5.http.ssl.SSLConnectionSocketFactory.createLayeredSocket(SSLConnectionSocketFactory.java:275) ~[?:?]
at org.apache.hc.client5.http.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:251) ~[?:?]
at org.zaproxy.addon.network.internal.client.apachev5.SslConnectionSocketFactory.connectSocket(SslConnectionSocketFactory.java:195) ~[?:?]
at org.apache.hc.client5.http.impl.io.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:181) ~[?:?]
at org.apache.hc.client5.http.impl.io.ZapHttpClientConnectionOperator.connect(ZapHttpClientConnectionOperator.java:95) ~[?:?]
at org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:447) ~[?:?]
at org.apache.hc.client5.http.impl.classic.InternalExecRuntime.connectEndpoint(InternalExecRuntime.java:162) ~[?:?]
at org.apache.hc.client5.http.impl.classic.InternalExecRuntime.connectEndpoint(InternalExecRuntime.java:172) ~[?:?]
at org.apache.hc.client5.http.impl.classic.ConnectExec.execute(ConnectExec.java:142) ~[?:?]
at org.apache.hc.client5.http.impl.classic.ExecChainElement.execute(ExecChainElement.java:51) ~[?:?]
at org.apache.hc.client5.http.impl.classic.ZapProtocolExec.execute(ZapProtocolExec.java:179) ~[?:?]
at org.apache.hc.client5.http.impl.classic.ExecChainElement.execute(ExecChainElement.java:51) ~[?:?]
at org.apache.hc.client5.http.impl.classic.ZapHttpRequestRetryExec.execute(ZapHttpRequestRetryExec.java:81) ~[?:?]
at org.apache.hc.client5.http.impl.classic.ExecChainElement.execute(ExecChainElement.java:51) ~[?:?]
at org.apache.hc.client5.http.impl.classic.ZapInternalHttpClient.doExecute(ZapInternalHttpClient.java:173) ~[?:?]
at org.apache.hc.client5.http.impl.classic.CloseableHttpClient.execute(CloseableHttpClient.java:245) ~[?:?]
at org.apache.hc.client5.http.impl.classic.CloseableHttpClient.execute(CloseableHttpClient.java:188) ~[?:?]
at org.zaproxy.addon.network.internal.client.apachev5.HttpSenderApache.sendImpl0(HttpSenderApache.java:487) ~[?:?]
at org.zaproxy.addon.network.internal.client.apachev5.HttpSenderApache.sendImpl(HttpSenderApache.java:366) ~[?:?]
at org.zaproxy.addon.network.internal.client.apachev5.HttpSenderApache.sendImpl(HttpSenderApache.java:117) ~[?:?]
at org.zaproxy.addon.network.internal.client.BaseHttpSender.sendRateLimited(BaseHttpSender.java:415) ~[?:?]
at org.zaproxy.addon.network.internal.client.BaseHttpSender.sendAuthenticated(BaseHttpSender.java:383) ~[?:?]
at org.zaproxy.addon.network.internal.client.BaseHttpSender.sendNoRedirections(BaseHttpSender.java:351) ~[?:?]
at org.zaproxy.addon.network.internal.client.BaseHttpSender.send(BaseHttpSender.java:307) ~[?:?]
at org.zaproxy.addon.network.internal.client.BaseHttpSender.sendAndReceive(BaseHttpSender.java:278) ~[?:?]
at org.zaproxy.addon.network.internal.client.BaseHttpSender.sendAndReceive(BaseHttpSender.java:234) ~[?:?]
at org.parosproxy.paros.network.HttpSender.sendImpl(HttpSender.java:536) ~[zap-2.16.0.jar:2.16.0]
at org.parosproxy.paros.network.HttpSender.sendAndReceive(HttpSender.java:529) ~[zap-2.16.0.jar:2.16.0]
at org.zaproxy.addon.callhome.ExtensionCallHome.sendServiceRequest(ExtensionCallHome.java:197) ~[?:?]
at org.zaproxy.addon.callhome.ExtensionCallHome.lambda$uploadTelemetryStartData$5(ExtensionCallHome.java:335) ~[?:?]
at java.base/java.lang.Thread.run(Thread.java:842) [?:?]

[Simon Bennetts]

That error just indicates that one of the "calls home" failed: https://www.zaproxy.org/faq/what-calls-home-does-zap-make/

This should not prevent ZAP from accessing your target applications.

If you are having other problems then let us klnow the details.

Cheers,

Simon