oh joy! it's a MethodInvocationException!

Message: Invocation of method 'getProductsByAttributeType' in class gr.markakis.eshop.MOPageContext$Proxy$_$$_WeldClientProxy threw exception org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error from server at http://solr-service.markakis2:8983/solr/defaultcore: Expected mime type application/octet-stream but got text/html.

HTTP ERROR 503

Problem accessing /solr/defaultcore/select. Reason:

    {metadata={error-class=org.apache.solr.common.SolrException,root-error-class=org.apache.solr.common.SolrException},msg=SolrCore is loading,code=503}

Reference name: PAGE_CONTEXT

Method name: getProductsByAttributeType