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ORA-00001, WWV_FLOW_DATA_IDX1, ERR-1029

Von Tobias Arnhold 4.13.2011
Troubleshooting the following APEX error:

ORA-00001: unique constraint (APEX_040000.WWV_FLOW_DATA_IDX1) violated
ERR-1029 Speichern von Sessioninformationen nicht möglich. session=3642920897355064 item=9815904291046405

This issue often comes in combination with iFrames, item computations, different languages or collections.

First you need to find which item is effected:

Inside APEX Application Builder > Application xxx > Utilities > Application Express Views > APEX_APPLICATION_PAGE_ITEMS
Columns: Select all columns
Filter: Item_ID = 9815904291046405
Copy the generated select and execute it inside your SQL Developer:

select WORKSPACE,APPLICATION_ID,APPLICATION_NAME,PAGE_ID,PAGE_NAME,ITEM_NAME,DISPLAY_AS,DISPLAY_AS_CODE,ITEM_DATA_TYPE,IS_REQUIRED,STANDARD_VALIDATIONS,DISPLAY_SEQUENCE,REGION,REGION_ID,SOURCE_USED,ITEM_DEFAULT,ITEM_DEFAULT_TYPE,LABEL,PRE_ELEMENT_TEXT,POST_ELEMENT_TEXT,FORMAT_MASK,ITEM_LABEL_TEMPLATE,ITEM_LABEL_TEMPLATE_ID,ITEM_SOURCE,ITEM_SOURCE_TYPE,ENCRYPT_SESSION_STATE,SOURCE_POST_COMPUTATION,READ_ONLY_CONDITION_TYPE,READ_ONLY_CONDITION_EXP1,READ_ONLY_CONDITION_EXP2,READ_ONLY_DISPLAY_ATTR,LOV_NAMED_LOV,LOV_DEFINITION,LOV_DISPLAY_EXTRA,LOV_DISPLAY_NULL,LOV_NULL_TEXT,LOV_NULL_VALUE,LOV_QUERY_RESULT_TRANSLATED,LOV_CASCADE_PARENT_ITEMS,AJAX_ITEMS_TO_SUBMIT,AJAX_OPTIMIZE_REFRESH,ITEM_ELEMENT_WIDTH,ITEM_ELEMENT_MAX_LENGTH,ITEM_ELEMENT_HEIGHT,HTML_TABLE_CELL_ATTR_LABEL,HTML_TABLE_CELL_ATTR_ELEMENT,HTML_FORM_ELEMENT_ATTRIBUTES,FORM_ELEMENT_OPTION_ATTRIBUTES,ITEM_BUTTON_IMAGE,ITEM_BUTTON_IMAGE_ATTRIBUTES,BEGINS_ON_NEW_ROW,BEGINS_ON_NEW_CELL,COLUMN_SPAN,ROW_SPAN,LABEL_ALIGNMENT,ITEM_ALIGNMENT,SHOW_QUICK_PICKS,QUICK_PICK_LINK_ATTR,QUICK_PICK_LABEL_01,QUICK_PICK_VALUE_01,QUICK_PICK_LABEL_02,QUICK_PICK_VALUE_02,QUICK_PICK_LABEL_03,QUICK_PICK_VALUE_03,QUICK_PICK_LABEL_04,QUICK_PICK_VALUE_04,QUICK_PICK_LABEL_05,QUICK_PICK_VALUE_05,QUICK_PICK_LABEL_06,QUICK_PICK_VALUE_06,QUICK_PICK_LABEL_07,QUICK_PICK_VALUE_07,QUICK_PICK_LABEL_08,QUICK_PICK_VALUE_08,QUICK_PICK_LABEL_09,QUICK_PICK_VALUE_09,QUICK_PICK_LABEL_10,QUICK_PICK_VALUE_10,ATTRIBUTE_01,ATTRIBUTE_02,ATTRIBUTE_03,ATTRIBUTE_04,ATTRIBUTE_05,ATTRIBUTE_06,ATTRIBUTE_07,ATTRIBUTE_08,ATTRIBUTE_09,ATTRIBUTE_10,CONDITION_TYPE,CONDITION_EXPRESSION1,CONDITION_EXPRESSION2,MAINTAIN_SESSION_STATE,ITEM_PROTECTION_LEVEL,ESCAPE_ON_HTTP_OUTPUT,AUTHORIZATION_SCHEME,AUTHORIZATION_SCHEME_ID,BUILD_OPTION,BUILD_OPTION_ID,ITEM_HELP_TEXT,LAST_UPDATED_BY,LAST_UPDATED_ON,COMPONENT_COMMENT,ITEM_ID,COMPONENT_SIGNATURE
from APEX_APPLICATION_PAGE_ITEMS
where ITEM_ID = 9815904291046405


Investigate the effected item... You may find strange connections to other APEX components?

Forum entry: http://forums.oracle.com/forums/thread.jspa?messageID=9365663

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