title: SQL Message Invalid column type: getBLOB not implemented for class oracle.jdbc.driver.T4CLongRawAccessor
body: <p>I have a problem when trying to read Blob from oracle DB 
  by using this </p>
  
  <pre><code>rs.getBlob("ARCHIVE_REQ_FILE_BLOB")
  </code></pre>
  
  <p>and also i try this</p>
  
  <pre><code>oracle.sql.BLOB blob= (oracle.sql.BLOB) ((OracleResultSet) rs).getBlob("ARCHIVE_REQ_FILE_BLOB");
  </code></pre>
  
  <p>the following error appears</p>
  
  <pre><code>SQL Message Invalid column type: getBLOB not implemented for class oracle.jdbc.driver.T4CLongRawAccessor
  
  use IBM WebSphere application server 8.5.5
  open connection using WebSphere datasource
  using oracle oracle 11.2.0.2
  </code></pre>
  
  <p>can any one help me
  thanks all</p>