Attached is the patch for the issue. Thanks [~arunpati] for detailed description which made the effort so smooth.
> SolrUtil Class
> --------------
>
> Key: OFBIZ-7398
> URL:
https://issues.apache.org/jira/browse/OFBIZ-7398> Project: OFBiz
> Issue Type: Sub-task
> Components: specialpurpose/solr
> Affects Versions: Trunk
> Reporter: Arun Patidar
> Assignee: Chinmay Patidar
> Priority: Minor
> Attachments: OFBIZ-7398.patch
>
>
> - Add a private constructor.
> - Make the following private static variable as final.
> {code}
> private static String[] solrProdAttribute = { "productId", "internalName", "manu", "size", "smallImage", "mediumImage", "largeImage", "listPrice", "defaultPrice", "inStock", "isVirtual" };
> {code}
> - Make the following public static variables as private
> {code}
> public static final String solrConfigName = "solrconfig.properties";
> public static final String solrUrl = makeSolrWebappUrl();
> {code}
> - Make the following protected static variables as private
> {code}
> protected static final String socketTimeoutString = UtilProperties.getPropertyValue(solrConfigName, "solr.client.socket.timeout");
>
> protected static final String connectionTimeoutString = UtilProperties.getPropertyValue(solrConfigName, "solr.client.connection.timeout");
>
> protected static final String clientUsername = UtilProperties.getPropertyValue(solrConfigName, "solr.client.username");
>
> protected static final String clientPassword = UtilProperties.getPropertyValue(solrConfigName, "solr.client.password");
> protected static final Integer socketTimeout = getSocketTimeout();
>
> protected static final Integer connectionTimeout = getConnectionTimeout();
>
> protected static final String trustSelfSignedCertString = UtilProperties.getPropertyValue(solrConfigName, "solr.client.trust.selfsigned.cert", "false");
>
> protected static final boolean trustSelfSignedCert = getTrustSelfSignedCert();
> {code}