Unable to Establish Outbound SSL Connections due to java.security.InvalidAlgorithmParameterException
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Symptoms
Confluence fails to establish an outbound connection using SSL
Confluence fails to establish an outbound connection to itself using SSL
Confluence is unable to synchronise or authenticate LDAP users using SSL
The following appears in the atlassian-confluence.log
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2019-04-22 17:11:05,511 ERROR [AtlassianEvent::CustomizableThreadFactory-3] [renderer.internal.http.HttpClientFetcher] fetch Unable to perform a request to: https://examplesite.com/rest/gadgets/1.0/g/messagebundle/und/gadget.common%2Cgadget.activity.stream
javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
at sun.security.ssl.Alerts.getSSLException(Alerts.java:208)
at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1946)
at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1903)
at sun.security.ssl.SSLSocketImpl.handleException(SSLSocketImpl.java:1886)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1402)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1379)
at org.apache.http.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket(SSLConnectionSocketFactory.java:396)
at org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:355)
at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:373)
at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381)
at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237)
at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
at com.atlassian.gadgets.renderer.internal.http.WhitelistAwareHttpClient.execute(WhitelistAwareHttpClient.java:49)
at com.atlassian.gadgets.renderer.internal.http.ShindigApacheClientAdapter.execute(ShindigApacheClientAdapter.java:41)
at com.atlassian.gadgets.renderer.internal.http.HttpClientFetcher.fetch(HttpClientFetcher.java:47)
...
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
at sun.security.validator.PKIXValidator.<init>(PKIXValidator.java:91)
at sun.security.validator.Validator.getInstance(Validator.java:181)
at sun.security.ssl.X509TrustManagerImpl.getValidator(X509TrustManagerImpl.java:312)
at sun.security.ssl.X509TrustManagerImpl.checkTrustedInit(X509TrustManagerImpl.java:171)
at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:184)
at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:124)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1621)
at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:223)
at sun.security.ssl.Handshaker.processLoop(Handshaker.java:1037)
at sun.security.ssl.Handshaker.process_record(Handshaker.java:965)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1064)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1367)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1395)
... 77 more
Caused by: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
at java.security.cert.PKIXParameters.setTrustAnchors(PKIXParameters.java:200)
at java.security.cert.PKIXParameters.<init>(PKIXParameters.java:120)
at java.security.cert.PKIXBuilderParameters.<init>(PKIXBuilderParameters.java:104)
at sun.security.validator.PKIXValidator.<init>(PKIXValidator.java:89)
... 89 moreCause
The JVM is unable to find default Java trust store
The JVM is unable to find the manually defined
javax.net.ssl.trustStoreEither of the above trust stores don't contain the required certificate
The user account used to run Confluence doesn't have permission to access either of the above trust stores
In most cases, we recommend that certificates be added to the JVM's default trust store held at $JAVA_HOME/jre/lib/security/cacerts
Resolution
Follow our Connecting to SSL services documentation. This will guide you through obtaining the certificate of the service you're accessing, and importing it into the recommended Java keystore.
Ensure that keystore is accessible by the user account used to run Confluence.
If you're using a non-standard keystore, such as the one specified in Tomcat, please import the certificate into that keystore.
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