Keyword Search in Log Center
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Keyword search enables you to find the logs that contain certain terms. When you enter text or an ID in the text message, the search looks several places. It looks in the text message, activity ID, category name, thread name, and message stack trace. When you click the Search icon, the results appear in a list. The severity panel to the left shows the number of issues per severity that contain the text or ID. If the severity is selected as a filter on the left side, the keyword/ID search is restricted to a particular severity.
Search terms are applied using AND logic. For example, if the filter is set to show “warn” messages only, suppose that 14 messages are listed. If you then apply the search term "pipeline dictionary", suppose that only 5 issues are listed. The number of issues listed is smaller, because you see only issues that are of type "warn" and contain the search term "pipeline dictionary."
The following rules apply to searches:
- The search is case-insensitive.
- Operators are case-sensitive.
- The order of the search terms isn't important, except when entering a phrase.
- Stop words are not considered. If the query is composed just from stop words, the
search does not return any results. The underlined words in this query are stop words
and are ignored: No event key present or no tag defined
The stop words are:
- a
- an
- and
- are
- as
- at
- be
- but
- by
- for
- if
- in
- into
- is
- it
- no
- not
- of
- on
- or
- such
- that
- the
- their
- then
- there
- these
- they
- this
- to
- was
- will
- with
To remove the search term, delete the text in the text box and click the Search icon.
Available query fields are:
- text
- stackTrace
- stackTraceUUID
- category
- thread
- activityID
- requestID
- sessionID
Field names are case-sensitive.
You can conduct either a basic search or advanced search. When you switch from one search mode to another, your keyword query is reset. Resetting the query is necessary because the syntax of the two search modes isn't compatible.
Basic Search
You can search simultaneously in all search fields. The search results consist of the log messages that contain each search term in at least one of the fields.
The search mode doesn't support any operators or wildcards. For example, searching for "Pr*" does not return any results. The searched keywords must be an exact match. The terms are searched in each search field. Each term must be found at least once in the fields, otherwise no search results are found.
To use basic search, you enter the search term in the text field and click the Search icon.
Some examples of basic search:
- Search for logs that contain "PipeLine", "Storefront" in at least
one of the fields
PipeLine Storefront
- Search for logs that contain "PipeLine", "job", "223847682349" in
at least one of the fields
PipeLine job 22384782349
- Search for logs that contain"PipeLine", "job",
"NullPointerException" in at least one of the fields
PipeLine job NullPointerException
The hits for this example are:- Log messages that contain in text "PipeLine", in category "job" and in stack trace "NullPointerException
- Log messages that contain in text "PipeLine", "job", and "NullPointerException"
- Log messages that contain in text "job" and "NullPointerException", in thread name "PipeLine"
Advanced Search
Advanced search enables selectable multi-field queries.
| You can define your search with | Description |
| Special characters | There are some characters that have a special significance in the
keyword query language: + - = && || > < ! ( ) { } [ ] ^ " ~ *? : \ / It's a good practice to avoid including the reserved characters in the search query. However, if you must use any of the characters in your query itself (not as operators), escape them. |
| Boolean operators |
Search terms can be combined with Boolean operators to form a more complex query. The main operators are:
Operators are case-sensitive. |
| Wildcards | You can use an asterisk (*) or question mark (?) as wildcards in your search. An asterisk represents zero or more characters. A question mark represents one character. To avoid getting too many results, when you enter partial search terms, make sure they contain as many characters as possible. You can't use a wildcard character at the beginning of a search term. |
| Grouping | For more complex queries, you can group the search terms using parentheses. |
| Phrase query | Phrase query means that the order and position of the search terms is considered. Phrase searches must be included between quotes. |
| Fuzzy query | A fuzzy query searches for terms that are similar to, but not exactly like the specified search terms. This query can be applied to search terms or phrases. The indicator for this type of query is a tilde (~) at the end of the term or phrase. The number after the tilde is the Damerau-Levenshtein distance. |
| Regular expression | You can use regular expressions (regex) to match different patterns. For better results, make your regular expressions as concrete as possible. Regular expressions must be surrounded with forward slashes (/). |
Examples of advanced search using Boolean operators:
- Search for logs that contain the text "PipeLine" and are in category "log"
text: (Pipeline) AND category: (log)
- Search for logs that contain the text "PipeLine" or are in category "log"
text: (PipeLine) OR category: (log)
- Search for logs that contain the text "PipeLine" and are in a category that doesn't
contain "log"
text: (PipeLine) AND NOT category: (log)
- Search for logs that contain the text "PipeLine" and "Storefront" and are in the
category "log"
text: (PipeLine Storefront) AND category: (log)
- Search for logs that contain "job" in text or in stackTrace or in the
category
text: (job) OR stackTrace: (job) OR category: (job)
Example of advanced search using wildcards:
- Search for logs where the text contains "PipeLine" and words that start with
"Store"
text: (PipeLine Store*)
text: (PipeLine AND Store*)
- Search for logs where the text contains "store" or "story"
text: (stor?)
- Search for logs where the text contains words that start with "la" and end with
"m"
text (la*m)
- Invalid wildcards
text: (*m)
text: (?tory)
Example of advanced search using grouping:
- Search for logs where the text contains "PipeLine" and "Store", or "PipeLine" and
"Product"
text: (PipeLine AND (Store OR Product))
- Search for logs where the text contains the exact phrase "create event"
text: ("create event")
- Search for logs where the text contains words similar to "world". The search
results show logs that contain in the text field: world, wordl, wrold
text: (world~2)
- Phase proximity search: search for phrases that contain the same words but the
specified words can be further apart or in a different order. The search results
show logs that contain in the text field: "create configuration", "create job
configuration", "create cleanup configuration".
text: ("create configuration"~2)
- Search for logs where the text contains "store" or "story"
text: (/stor[ey]/)