appfuse No goals have been specified for this build 错误 error

[ERROR] No goals have been specified for this build. You must specify a valid li
fecycle phase or a goal in the format <plugin-prefix>:<goal> or <plugin-group-id
>:<plugin-artifact-id>[:<plugin-version>]:<goal>. Available lifecycle phases are
: validate, initialize, generate-sources, process-sources, generate-resources, p
rocess-resources, compile, process-classes, generate-test-sources, process-test-
sources, generate-test-resources, process-test-resources, test-compile, process-
test-classes, test, prepare-package, package, pre-integration-test, integration-
test, post-integration-test, verify, install, deploy, pre-site, site, post-site,
site-deploy, pre-clean, clean, post-clean. -> [Help 1]
org.apache.maven.lifecycle.NoGoalSpecifiedException: No goals have been specifie
d for this build. You must specify a valid lifecycle phase or a goal in the form
at <plugin-prefix>:<goal> or <plugin-group-id>:<plugin-artifact-id>[:<plugin-ver
sion>]:<goal>. Available lifecycle phases are: validate, initialize, generate-so
urces, process-sources, generate-resources, process-resources, compile, process-
classes, generate-test-sources, process-test-sources, generate-test-resources, p
rocess-test-resources, test-compile, process-test-classes, test, prepare-package
, package, pre-integration-test, integration-test, post-integration-test, verify
, install, deploy, pre-site, site, post-site, site-deploy, pre-clean, clean, pos
t-clean.


这个错误的起因是我创建了项目却没有进入到项目myproject下面去执行。所以造成了这个错误。哎。浪费我的时间啊。