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new 4480aa5 Update classpath.md documentation
4480aa5 is described below
commit 4480aa5854bb3577513520194565540a6a5b220a
Author: Mark Owens <jmar...@apache.org>
AuthorDate: Thu Feb 11 15:20:39 2021 -0500
Update classpath.md documentation
Update classpath example documentation.
* Added details on required HDFS directory.
* Added note on location of FooFilter.jar.
* Minor spelling correction.
* Updated output of failed setiter command example to match actual output
from version 2.x.
---
docs/classpath.md | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/docs/classpath.md b/docs/classpath.md
index c51c85d..37526eb 100644
--- a/docs/classpath.md
+++ b/docs/classpath.md
@@ -19,10 +19,15 @@ limitations under the License.
This example shows how to use per table classpaths. The example leverages a
test jar which contains a Filter that supresses rows containing "foo". The
example shows copying the FooFilter.jar into HDFS and then making an Accumulo
-table reference that jar.
+table reference that jar. For this example, a directory, `/user1/lib`, is
+assumed to exist in HDFS.
+Create `/user1/lib` in HDFS if it does not exist.
-Execute the following command in the shell.
+ hadoop fs -mkdir -p /user1/lib
+
+Execute the following command in the shell. Note that the `FooFilter.jar`
+is located within the Accumulo source distribution.
$ hadoop fs -copyFromLocal
/path/to/accumulo/test/src/main/resources/FooFilter.jar /user1/lib
@@ -53,12 +58,13 @@ The commands below show the filter is working.
root@test15 nofoo>
Below, an attempt is made to add the FooFilter to a table that's not configured
-to use the classpath context cx1. This fails util the table is configured to
+to use the classpath context cx1. This fails until the table is configured to
use cx1.
root@test15 nofoo> createtable nofootwo
root@test15 nofootwo> setiter -n foofilter -p 10 -scan -minc -majc -class
org.apache.accumulo.test.FooFilter
- 2013-05-03 12:49:35,943 [shell.Shell] ERROR:
java.lang.IllegalArgumentException: org.apache.accumulo.test.FooFilter
+ 2013-05-03 12:49:35,943 [shell.Shell] ERROR:
org.apache.accumulo.shell.ShellCommandException: Command could
+ not be initialized (Unable to load org.apache.accumulo.test.FooFilter;
class not found.)
root@test15 nofootwo> config -t nofootwo -s table.classpath.context=cx1
root@test15 nofootwo> setiter -n foofilter -p 10 -scan -minc -majc -class
org.apache.accumulo.test.FooFilter
Filter accepts or rejects each Key/Value pair
