Unable to Extract trust manager on IBM JRE8 with OKHTTP3

user_14239136 0
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Can Any one help on this please.

I am also using OKHTTP3 version 4.8.1 to write HTTP2 client . Its Working on Oracle JDK 8 but not working on IBM JRE 8.

Error message: java.lang.IllegalStateException: Unable to extract the trust manager on okhttp3.internal.Platform@e85a0ce8, sslSocketFactory is class com.ibm.jsse2.SSLSocketFactoryImpl.

Thank you

ibm-jre x509trustmanager trustmanager okhttp
1 Answers

You are relying on a long deprecated method

https://github.com/square/okhttp/blob/cd722373281202492043f4294fccfe6f691ddc01/okhttp/src/main/kotlin/okhttp3/OkHttpClient.kt#L741

It's deprecated because it had to assume a lot about the JVM, that breaks on each JVM update or across vendors. You should instead call the method with X509TrustManager as a parameter

https://github.com/square/okhttp/blob/cd722373281202492043f4294fccfe6f691ddc01/okhttp/src/main/kotlin/okhttp3/OkHttpClient.kt#L767

TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(
TrustManagerFactory.getDefaultAlgorithm());
trustManagerFactory.init((KeyStore) null);
TrustManager[] trustManagers = trustManagerFactory.getTrustManagers();
if (trustManagers.length != 1 || !(trustManagers[0] instanceof X509TrustManager)) {
    throw new IllegalStateException("Unexpected default trust managers:"
        + Arrays.toString(trustManagers));
}
X509TrustManager trustManager = (X509TrustManager) trustManagers[0];

SSLContext sslContext = SSLContext.getInstance("TLS");
sslContext.init(null, new TrustManager[] { trustManager }, null);
SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();

OkHttpClient client = new OkHttpClient.Builder()
    .sslSocketFactory(sslSocketFactory, trustManager)
    .build();
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