Login issue - Nothing (Blank page) appears after entering User ID and password in UI console

book

Article ID: 160378

calendar_today

Updated On:

Products

Data Loss Prevention Enforce

Issue/Introduction

ISSUE

Nothing appears (Blank page) after entering User ID and password in UI console.

Applied to

Vontu Enforce

Problem Summary

1. User opens Login Interface for DLP

2. Enter User ID and Password and press enter.

3. Nothing appears. Webpage remains blank.

Localhost logs should be like below

25 Aug 2011 05:39:55,556- Thread: 16 SEVERE [com.vontu.javatoxml.JavaToXMLTranslator]
Java to XML Debug Output
------------------------
JXD: resource:/com/vontu/manager/report/table/jxd/ReportTable.jxd
Line: 25
Column: 182
Context Stack:
 com.vontu.manager.report.incidentlist.network.NetworkIncidentListTable == com.von[email protected]9d88b83
Instruction Trace:
 PUSH_CONTEXT; Line: 25; Column: 182; context: new com.vontu.condition.sql.query.DefaultRowIterator(getRowIterator()); iterate: yes; skipNull: yes
 POP_CONTEXT; Line: 23; Column: 13
 LOOP_END; Line: 23; Column: 13
 ELEMENT_END; Line: 23; Column: 13; name: column-meta-data
 ATTRIBUTE; Line: 22; Column: 70; name: defaultSortOrder; value: getDefaultSortOrder(); skipNull: no
 ATTRIBUTE; Line: 21; Column: 86; name: defaultSortColumn; value: isDefaultSortColumn() ? 'yes' : 'no'; skipNull: no
 ATTRIBUTE; Line: 20; Column: 48; name: label; value: getLabel(); skipNull: no
 ATTRIBUTE; Line: 19; Column: 46; name: type; value: getType(); skipNull: no
 ATTRIBUTE; Line: 18; Column: 66; name: sortColumnName; value: getSortColumnName(); skipNull: no
 ATTRIBUTE; Line: 17; Column: 52; name: name; value: getColumnName(); skipNull: no
 ELEMENT_START; Line: 16; Column: 85; name: column-meta-data
 LOOP_BEGIN; Line: 16; Column: 85
 PUSH_CONTEXT; Line: 16; Column: 85; context: getReportHeaderColumns(); iterate: yes; skipNull: no
 POP_CONTEXT; Line: 14; Column: 13
 LOOP_END; Line: 14; Column: 13
 ELEMENT_END; Line: 14; Column: 13; name: table-meta-data
 PCDATA; Line: 13; Column: 30; value: getValue()
 ATTRIBUTE; Line: 11; Column: 45; name: name; value: getKey(); skipNull: no
 ELEMENT_START; Line: 10; Column: 89; name: table-meta-data
 LOOP_BEGIN; Line: 10; Column: 89
 PUSH_CONTEXT; Line: 10; Column: 89; context: getTableMetaData().entrySet(); iterate: yes; skipNull: no
 ATTRIBUTE; Line: 8; Column: 88; name: exceedsMaximumAllowableRows; value: exceedsMaximumAllowableRows(); skipNull: no
 VARIABLE_DECLARATION; Line: 6; Column: 69; name: metaDataColumns; value: getRowMetaDataColumns()
 VARIABLE_DECLARATION; Line: 5; Column: 56; name: reportColumns; value: getColumns()
 ELEMENT_START; Line: 3; Column: 31; name: report-table
 LOOP_BEGIN; Line: 3; Column: 31
 PUSH_CONTEXT; Line: 3; Column: 31; context: this; iterate: yes; skipNull: no

Cause:
com.vontu.javatoxml.expression.ExpressionException: com.vontu.manager.report.incidentlist.network.NetworkIncidentListTable.getRowIterator
java.lang.reflect.InvocationTargetException
java.lang.NullPointerException
com.vontu.javatoxml.expression.ExpressionException: com.vontu.manager.report.incidentlist.network.NetworkIncidentListTable.getRowIterator
 at com.vontu.javatoxml.expression.MethodCallExpression.evaluate(MethodCallExpression.java:141)
 at com.vontu.javatoxml.expression.FunctionExpression.evaluateParameters(FunctionExpression.java:49)
 at com.vontu.javatoxml.expression.InstantiationExpression.evaluate(InstantiationExpression.java:35)

Resolution

1. Ensure connectivity is fine between Enforce and Oracle database. Try pinging from the Enforce to the Oracle server. Also try with tnsping protect<where protect is the service name>.

2. If there is no connectivity issue between the Enforce and Oracle database server, Restarted Vontu Services in below order::

Stop:
VontuUpdate
VontuMonitor
VontuMonitorController
VontuIncidentPersister
VontuManager
VontuNotifier

Start:
VontuNotifier
VotuManager
VontuIncidentPersister
VontuMonitorController
VotnuMonitor
VontuUpdate

3. Login again to Enforce.