Unable to run play application using guice for dependency injcetionWhat is dependency injection?Inversion of Control vs Dependency InjectionWhy does one use dependency injection?trying to implement load schema using silhouette play 2.4 play-slick 1.0.0Error downloading and compiling play-mailer pluginScala play Guice injectionFailed running activator run after play-slick upgradeResteasy and Google Guice: how to use multiple @ApplicationPath and resource with @Injection?Persistence Layer Abstraction [Slick]Play and Guice Dependency Injection with Interface
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Unable to run play application using guice for dependency injcetion
What is dependency injection?Inversion of Control vs Dependency InjectionWhy does one use dependency injection?trying to implement load schema using silhouette play 2.4 play-slick 1.0.0Error downloading and compiling play-mailer pluginScala play Guice injectionFailed running activator run after play-slick upgradeResteasy and Google Guice: how to use multiple @ApplicationPath and resource with @Injection?Persistence Layer Abstraction [Slick]Play and Guice Dependency Injection with Interface
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I am trying to run a play application where I have used guice for dependency injection.
My controller is as follows
import scala.concurrent.ExecutionContext
import javax.inject.Inject
import play.api.libs.json.Json
import play.api.mvc._
class MyControllers @Inject()(
service: MyService,
cc: MessagesControllerComponents)(implicit ec: ExecutionContext)
extends MessagesAbstractController(cc) {
def getAll(id: Int): Action[AnyContent] = Action.async implicit request =>
// code to fetch from service and return result
Similarly in my service I have dependency injected the DAO as
class MyService @Inject()(dao: MyDAO)(implicit ec: ExecutionContext)
// call to DB
My build.sbt file looks something like this
name := """service-application"""
version := "2.6.x"
scalaVersion := "2.12.7"
crossScalaVersions := Seq("2.11.12", "2.12.4")
libraryDependencies ++= Seq(
guice,
"com.typesafe.play" %% "play-slick" % "3.0.3",
"com.typesafe.play" %% "play-slick-evolutions" % "3.0.3",
"org.mockito" % "mockito-all" % "1.10.19" % Test,
"com.h2database" % "h2" % "1.4.197",
"org.scalactic" %% "scalactic" % "3.0.5",
"org.scalatest" %% "scalatest" % "3.0.5" % "test",
"org.scalatestplus.play" %% "scalatestplus-play" % "3.1.2" % Test,
"net.codingwell" %% "scala-guice" % "4.1.0",
"com.typesafe.slick" %% "slick-codegen" % "3.2.1",
"com.typesafe.slick" %% "slick-testkit" % "3.2.3" % Test,
specs2 % Test
)
addSbtPlugin("com.geirsson" % "sbt-scalafmt" % "1.5.1")
routesGenerator := InjectedRoutesGenerator
However, now when I am trying to run the play application via the sbt shell using command
run
I get the error as
[IJ]sbt:service-application> run
[error] java.lang.RuntimeException: No main class detected.
[error] at scala.sys.package$.error(package.scala:27)
[error] (Compile / bgRun) No main class detected.
[error] Total time: 1 s
Could you please let me know what I am missing here ? Is it some kind of configuration that I am missing in the conf file ?
Thanks in advance !!!
scala dependency-injection playframework guice
asked Mar 23 at 4:30
Chaitanya WaikarChaitanya Waikar
1,629419
|
show 1 more comment
I am trying to run a play application where I have used guice for dependency injection.
My controller is as follows
import scala.concurrent.ExecutionContext
import javax.inject.Inject
import play.api.libs.json.Json
import play.api.mvc._
class MyControllers @Inject()(
service: MyService,
cc: MessagesControllerComponents)(implicit ec: ExecutionContext)
extends MessagesAbstractController(cc) {
def getAll(id: Int): Action[AnyContent] = Action.async implicit request =>
// code to fetch from service and return result
Similarly in my service I have dependency injected the DAO as
class MyService @Inject()(dao: MyDAO)(implicit ec: ExecutionContext)
// call to DB
My build.sbt file looks something like this
name := """service-application"""
version := "2.6.x"
scalaVersion := "2.12.7"
crossScalaVersions := Seq("2.11.12", "2.12.4")
libraryDependencies ++= Seq(
guice,
"com.typesafe.play" %% "play-slick" % "3.0.3",
"com.typesafe.play" %% "play-slick-evolutions" % "3.0.3",
"org.mockito" % "mockito-all" % "1.10.19" % Test,
"com.h2database" % "h2" % "1.4.197",
"org.scalactic" %% "scalactic" % "3.0.5",
"org.scalatest" %% "scalatest" % "3.0.5" % "test",
"org.scalatestplus.play" %% "scalatestplus-play" % "3.1.2" % Test,
"net.codingwell" %% "scala-guice" % "4.1.0",
"com.typesafe.slick" %% "slick-codegen" % "3.2.1",
"com.typesafe.slick" %% "slick-testkit" % "3.2.3" % Test,
specs2 % Test
)
addSbtPlugin("com.geirsson" % "sbt-scalafmt" % "1.5.1")
routesGenerator := InjectedRoutesGenerator
However, now when I am trying to run the play application via the sbt shell using command
run
I get the error as
[IJ]sbt:service-application> run
[error] java.lang.RuntimeException: No main class detected.
[error] at scala.sys.package$.error(package.scala:27)
[error] (Compile / bgRun) No main class detected.
[error] Total time: 1 s
Could you please let me know what I am missing here ? Is it some kind of configuration that I am missing in the conf file ?
Thanks in advance !!!
scala dependency-injection playframework guice
asked Mar 23 at 4:30
Chaitanya WaikarChaitanya Waikar
1,629419
Everything looks fine to me, but still I was getting this error and hence I turned up to the Stackoverflow community to help me out
– Chaitanya Waikar
Mar 23 at 5:20
Are you using the Play SBT plugin inproject/plugins.sbt? If so I think you need to enable the plugin:enablePlugins(playScala)in yourbuild.sbt. If not, maybe try the plugin.
– Lasf
Mar 23 at 6:39
@Lasf tried that too. Didn't get it running :(
– Chaitanya Waikar
Mar 23 at 7:11
1
Okay. For what it's worth I can tell from your sbt promptsbt:service-application>that it's not picking up the sbt plugin. Were the plugin properly enabled, you would see a colorful[service-application] $prompt. If the plugin is not enabled, then you won't have a (hidden)mainclass as an application starting point. So I would focus my debugging efforts there.
– Lasf
Mar 23 at 7:14
ok. @Lasf let me try once more
– Chaitanya Waikar
Mar 23 at 7:20
|
show 1 more comment
I am trying to run a play application where I have used guice for dependency injection.
My controller is as follows
import scala.concurrent.ExecutionContext
import javax.inject.Inject
import play.api.libs.json.Json
import play.api.mvc._
class MyControllers @Inject()(
service: MyService,
cc: MessagesControllerComponents)(implicit ec: ExecutionContext)
extends MessagesAbstractController(cc) {
def getAll(id: Int): Action[AnyContent] = Action.async implicit request =>
// code to fetch from service and return result
Similarly in my service I have dependency injected the DAO as
class MyService @Inject()(dao: MyDAO)(implicit ec: ExecutionContext)
// call to DB
My build.sbt file looks something like this
name := """service-application"""
version := "2.6.x"
scalaVersion := "2.12.7"
crossScalaVersions := Seq("2.11.12", "2.12.4")
libraryDependencies ++= Seq(
guice,
"com.typesafe.play" %% "play-slick" % "3.0.3",
"com.typesafe.play" %% "play-slick-evolutions" % "3.0.3",
"org.mockito" % "mockito-all" % "1.10.19" % Test,
"com.h2database" % "h2" % "1.4.197",
"org.scalactic" %% "scalactic" % "3.0.5",
"org.scalatest" %% "scalatest" % "3.0.5" % "test",
"org.scalatestplus.play" %% "scalatestplus-play" % "3.1.2" % Test,
"net.codingwell" %% "scala-guice" % "4.1.0",
"com.typesafe.slick" %% "slick-codegen" % "3.2.1",
"com.typesafe.slick" %% "slick-testkit" % "3.2.3" % Test,
specs2 % Test
)
addSbtPlugin("com.geirsson" % "sbt-scalafmt" % "1.5.1")
routesGenerator := InjectedRoutesGenerator
However, now when I am trying to run the play application via the sbt shell using command
run
I get the error as
[IJ]sbt:service-application> run
[error] java.lang.RuntimeException: No main class detected.
[error] at scala.sys.package$.error(package.scala:27)
[error] (Compile / bgRun) No main class detected.
[error] Total time: 1 s
Could you please let me know what I am missing here ? Is it some kind of configuration that I am missing in the conf file ?
Thanks in advance !!!
scala dependency-injection playframework guice
asked Mar 23 at 4:30
Chaitanya WaikarChaitanya Waikar
1,629419
I am trying to run a play application where I have used guice for dependency injection.
My controller is as follows
import scala.concurrent.ExecutionContext
import javax.inject.Inject
import play.api.libs.json.Json
import play.api.mvc._
class MyControllers @Inject()(
service: MyService,
cc: MessagesControllerComponents)(implicit ec: ExecutionContext)
extends MessagesAbstractController(cc) {
def getAll(id: Int): Action[AnyContent] = Action.async implicit request =>
// code to fetch from service and return result
Similarly in my service I have dependency injected the DAO as
class MyService @Inject()(dao: MyDAO)(implicit ec: ExecutionContext)
// call to DB
My build.sbt file looks something like this
name := """service-application"""
version := "2.6.x"
scalaVersion := "2.12.7"
crossScalaVersions := Seq("2.11.12", "2.12.4")
libraryDependencies ++= Seq(
guice,
"com.typesafe.play" %% "play-slick" % "3.0.3",
"com.typesafe.play" %% "play-slick-evolutions" % "3.0.3",
"org.mockito" % "mockito-all" % "1.10.19" % Test,
"com.h2database" % "h2" % "1.4.197",
"org.scalactic" %% "scalactic" % "3.0.5",
"org.scalatest" %% "scalatest" % "3.0.5" % "test",
"org.scalatestplus.play" %% "scalatestplus-play" % "3.1.2" % Test,
"net.codingwell" %% "scala-guice" % "4.1.0",
"com.typesafe.slick" %% "slick-codegen" % "3.2.1",
"com.typesafe.slick" %% "slick-testkit" % "3.2.3" % Test,
specs2 % Test
)
addSbtPlugin("com.geirsson" % "sbt-scalafmt" % "1.5.1")
routesGenerator := InjectedRoutesGenerator
However, now when I am trying to run the play application via the sbt shell using command
run
I get the error as
[IJ]sbt:service-application> run
[error] java.lang.RuntimeException: No main class detected.
[error] at scala.sys.package$.error(package.scala:27)
[error] (Compile / bgRun) No main class detected.
[error] Total time: 1 s
Could you please let me know what I am missing here ? Is it some kind of configuration that I am missing in the conf file ?
Thanks in advance !!!
scala dependency-injection playframework guice
scala dependency-injection playframework guice
asked Mar 23 at 4:30
Chaitanya WaikarChaitanya Waikar
1,629419
asked Mar 23 at 4:30
Chaitanya WaikarChaitanya Waikar
1,629419
edited Mar 23 at 5:17
Chaitanya Waikar
asked Mar 23 at 4:30
Chaitanya WaikarChaitanya Waikar
1,629419
asked Mar 23 at 4:30
Chaitanya WaikarChaitanya Waikar
1,629419
asked Mar 23 at 4:30
Chaitanya WaikarChaitanya Waikar
1,629419
1,629419
Everything looks fine to me, but still I was getting this error and hence I turned up to the Stackoverflow community to help me out
– Chaitanya Waikar
Mar 23 at 5:20
Are you using the Play SBT plugin inproject/plugins.sbt? If so I think you need to enable the plugin:enablePlugins(playScala)in yourbuild.sbt. If not, maybe try the plugin.
– Lasf
Mar 23 at 6:39
@Lasf tried that too. Didn't get it running :(
– Chaitanya Waikar
Mar 23 at 7:11
1
Okay. For what it's worth I can tell from your sbt promptsbt:service-application>that it's not picking up the sbt plugin. Were the plugin properly enabled, you would see a colorful[service-application] $prompt. If the plugin is not enabled, then you won't have a (hidden)mainclass as an application starting point. So I would focus my debugging efforts there.
– Lasf
Mar 23 at 7:14
ok. @Lasf let me try once more
– Chaitanya Waikar
Mar 23 at 7:20
|
show 1 more comment
Everything looks fine to me, but still I was getting this error and hence I turned up to the Stackoverflow community to help me out
– Chaitanya Waikar
Mar 23 at 5:20
Are you using the Play SBT plugin inproject/plugins.sbt? If so I think you need to enable the plugin:enablePlugins(playScala)in yourbuild.sbt. If not, maybe try the plugin.
– Lasf
Mar 23 at 6:39
@Lasf tried that too. Didn't get it running :(
– Chaitanya Waikar
Mar 23 at 7:11
1
Okay. For what it's worth I can tell from your sbt promptsbt:service-application>that it's not picking up the sbt plugin. Were the plugin properly enabled, you would see a colorful[service-application] $prompt. If the plugin is not enabled, then you won't have a (hidden)mainclass as an application starting point. So I would focus my debugging efforts there.
– Lasf
Mar 23 at 7:14
ok. @Lasf let me try once more
– Chaitanya Waikar
Mar 23 at 7:20
Everything looks fine to me, but still I was getting this error and hence I turned up to the Stackoverflow community to help me out
– Chaitanya Waikar
Mar 23 at 5:20
Everything looks fine to me, but still I was getting this error and hence I turned up to the Stackoverflow community to help me out
– Chaitanya Waikar
Mar 23 at 5:20
Are you using the Play SBT plugin in
project/plugins.sbt? If so I think you need to enable the plugin: enablePlugins(playScala) in your build.sbt. If not, maybe try the plugin.– Lasf
Mar 23 at 6:39
Are you using the Play SBT plugin in
project/plugins.sbt? If so I think you need to enable the plugin: enablePlugins(playScala) in your build.sbt. If not, maybe try the plugin.– Lasf
Mar 23 at 6:39
@Lasf tried that too. Didn't get it running :(
– Chaitanya Waikar
Mar 23 at 7:11
@Lasf tried that too. Didn't get it running :(
– Chaitanya Waikar
Mar 23 at 7:11
1
1
Okay. For what it's worth I can tell from your sbt prompt
sbt:service-application> that it's not picking up the sbt plugin. Were the plugin properly enabled, you would see a colorful [service-application] $ prompt. If the plugin is not enabled, then you won't have a (hidden) main class as an application starting point. So I would focus my debugging efforts there.– Lasf
Mar 23 at 7:14
Okay. For what it's worth I can tell from your sbt prompt
sbt:service-application> that it's not picking up the sbt plugin. Were the plugin properly enabled, you would see a colorful [service-application] $ prompt. If the plugin is not enabled, then you won't have a (hidden) main class as an application starting point. So I would focus my debugging efforts there.– Lasf
Mar 23 at 7:14
ok. @Lasf let me try once more
– Chaitanya Waikar
Mar 23 at 7:20
ok. @Lasf let me try once more
– Chaitanya Waikar
Mar 23 at 7:20
|
show 1 more comment
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Everything looks fine to me, but still I was getting this error and hence I turned up to the Stackoverflow community to help me out
– Chaitanya Waikar
Mar 23 at 5:20
Are you using the Play SBT plugin in
project/plugins.sbt? If so I think you need to enable the plugin:enablePlugins(playScala)in yourbuild.sbt. If not, maybe try the plugin.– Lasf
Mar 23 at 6:39
@Lasf tried that too. Didn't get it running :(
– Chaitanya Waikar
Mar 23 at 7:11
1
Okay. For what it's worth I can tell from your sbt prompt
sbt:service-application>that it's not picking up the sbt plugin. Were the plugin properly enabled, you would see a colorful[service-application] $prompt. If the plugin is not enabled, then you won't have a (hidden)mainclass as an application starting point. So I would focus my debugging efforts there.– Lasf
Mar 23 at 7:14
ok. @Lasf let me try once more
– Chaitanya Waikar
Mar 23 at 7:20