SOLR 9.0我正在尝试访问req变量，如下所述：
https://solr.apache.org/guide/solr/latest/configuration-guide/script-update-processor.html#script-execution-context
然而，在我的回应中，我得到这个错误：

Unable to invoke function processAdd in script: test-script.js: TypeError: Can not extend/implement [class org.apache.solr.request.SolrQueryRequestBase] because of java.security.

它指出错误位于第15行，

some_param = req.getParams().get("commit")

这就是文档中的示例。
这似乎是SOLR和nashborn JavaScript处理器之间的不兼容。
在此处完成脚本：

`/*
  This is a basic skeleton JavaScript update processor.

  In order for this to be executed, it must be properly wired into solrconfig.xml; by default it is commented out in
  the example solrconfig.xml and must be uncommented to be enabled.

  See http://wiki.apache.org/solr/ScriptUpdateProcessor for more details.
*/

function processAdd(cmd) {

  doc = cmd.solrDoc;  // org.apache.solr.common.SolrInputDocument
  childDocsPresent = doc.hasChildDocuments();
  some_param = req.getParams().get("commit")
  request = req.getJSON();
  // request.forEach((key, value) => {
  //   logger.warn(key, value)
  // });
  
  logger.warn("The value of child docs present is  " + childDocsPresent);
  

`// Set a field value:
//  doc.setField("foo_s", "whatever");

// Get a configuration parameter:
//  config_param = params.get('config_param');  // "params" only exists if processor configured with <lst name="params">

// Get a request parameter:
// some_param = req.getParams().get("some_param")

// Add a field of field names that match a pattern:
//   - Potentially useful to determine the fields/attributes represented in a result set, via faceting on field_name_ss
//  field_names = doc.getFieldNames().toArray();
//  for(i=0; i < field_names.length; i++) {
//    field_name = field_names[i];
//    if (/attr_.*/.test(field_name)) { doc.addField("attribute_ss", field_names[i]); }
//  }

}
function processDelete(cmd) {
  // no-op
}

function processMergeIndexes(cmd) {
  // no-op
}

function processCommit(cmd) {
  // no-op
}

function processRollback(cmd) {
  // no-op
}

function finish() {
  // no-op
}

我尝试了发布的脚本，但请求运行时没有引发错误。