Troubleshooting / FAQ
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Target System: Apache Solr
Schema Handling
Before each content traversal the Apache Solr connector will fetch the schema for the collection to index documents into. Only metadata defined in the schema, will be indexed for each document. The connector considers explicit and dynamic schema fields.
The following field type classes will result in a special preprocessing:
| Class | Preprocessing |
|---|---|
|
Metadata field values which match a schema field of this type are formatted to ISO-8601 standard with second precision. |
| Schemaless mode is not supported! |
|
In case all extracted metadata should be indexed, the following dynamic field definition can be added to the schema: This way all not explicitly defined fields will be interpreted as text fields. |
Special Metadata
Between connectors a defined set of metadata is streamlined. These standard metadata will take precedence before metadata extracted from the source system. In case a field name extracted from the source system clashes with the name of a standard metadata field, only the standard metadata field is indexed.
| Standard Metadata Field | Description |
|---|---|
title |
The (interpreted) title of the document. |
sourceName |
The name of the source system. |
sourceUrl |
The URL pointing to the source system. |
sourceType |
The source system type. |
itemType |
The type of the item / document. |
clickUrl |
The clickable URL referencing the document. |
lastModifiedDate |
The last modification date. |
createdDate |
The creation date. |
previewUrl |
A URL which points to a preview of the document. |
mimeType |
The mime type of the document. |
authorId |
The ID of the author. |
authorName |
The display name of the author. |
fileExtension |
The file extension. |
fileType |
The pretty name of the file type. |
contributorIds |
A list of contributor IDs. |
contributorNames |
A list of contributor names. |
breadcrumbNames |
A list of names referencing items in the hierarchy above the current document. |
breadcrumbUrls |
A list of URLs referencing items in the hierarchy above the current document. |
languages |
A list of languages. |
keywords |
A list of keywords. |
content |
The document’s content as part of the metadata. |
docAllowAcl |
The allow document ACL. |
docDenyAcl |
The deny document ACL. |
Scheduling Commits
Commits to the index will not be triggered by the connector. In order to make data searchable, either commit manually or schedule automatic commits. For further information see the Official Apache Solr Documentation.