Too much white space around jasper subreport - jasperserver

Question

There is too much white space produced before and after a subreport in a pdf file generated using jasper.
Any help to eliminate the space around subreport component will help a lot.
Here is the main report template
<?xml version="1.0" encoding="UTF-8"?>
<!-- Created with Jaspersoft Studio version 6.12.2.final using JasperReports Library version 6.12.2-75c5e90a222ab406e416cbf590a5397028a52de3 -->
<jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="with_sub_report" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="256c6d62-ba9b-404c-8e1c-eaeeca988125">
<property name="com.jaspersoft.studio.data.defaultdataadapter" value="JOURNAL_WITH_PAYMENT"/>
<property name="net.sf.jasperreports.data.adapter" value="JOURNAL_WITH_PAYMENT.xml"/>
<queryString language="json">
<![CDATA[entries]]>
</queryString>
<field name="jouranl_date" class="java.lang.String">
<property name="net.sf.jasperreports.json.field.expression" value="jouranl_date"/>
<fieldDescription><![CDATA[jouranl_date]]></fieldDescription>
</field>
<field name="journal_ref" class="java.lang.String">
<property name="net.sf.jasperreports.json.field.expression" value="journal_ref"/>
<fieldDescription><![CDATA[journal_ref]]></fieldDescription>
</field>
<field name="journal_line" class="java.lang.String">
<property name="net.sf.jasperreports.json.field.expression" value="journal_line"/>
<fieldDescription><![CDATA[journal_line]]></fieldDescription>
</field>
<field name="amount" class="java.math.BigDecimal">
<property name="net.sf.jasperreports.json.field.expression" value="amount"/>
<fieldDescription><![CDATA[amount]]></fieldDescription>
</field>
<field name="crncy" class="java.lang.String">
<property name="net.sf.jasperreports.json.field.expression" value="crncy"/>
<fieldDescription><![CDATA[crncy]]></fieldDescription>
</field>
<field name="dr_or_cr" class="java.lang.String">
<property name="net.sf.jasperreports.json.field.expression" value="dr_or_cr"/>
<fieldDescription><![CDATA[dr_or_cr]]></fieldDescription>
</field>
<background>
<band splitType="Stretch"/>
</background>
<title>
<band height="79" splitType="Stretch"/>
</title>
<pageHeader>
<band height="35" splitType="Stretch"/>
</pageHeader>
<columnHeader>
<band height="34" splitType="Stretch">
<staticText>
<reportElement x="0" y="5" width="100" height="25" uuid="0d465cec-66da-4e16-829e-c8728f0b770e"/>
<textElement textAlignment="Center" verticalAlignment="Middle"/>
<text><![CDATA[Journal Date]]></text>
</staticText>
<staticText>
<reportElement x="150" y="5" width="100" height="25" uuid="c4dac4a0-f457-4700-b7ac-1d3b31604f62"/>
<textElement textAlignment="Center" verticalAlignment="Middle"/>
<text><![CDATA[Journal Ref Num]]></text>
</staticText>
<staticText>
<reportElement x="290" y="5" width="100" height="25" uuid="81c750c7-2df3-4200-89e7-b8535b3193a5"/>
<textElement textAlignment="Center" verticalAlignment="Middle"/>
<text><![CDATA[Journal line]]></text>
</staticText>
</band>
</columnHeader>
<detail>
<band height="25" splitType="Stretch">
<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
<textField>
<reportElement x="-10" y="4" width="120" height="16" uuid="f5f87f9d-fc7d-44ae-8c13-63b49db240ec">
<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="2e697f8a-57a8-4d0e-8faa-47180c6b44ae"/>
<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
</reportElement>
<textElement textAlignment="Center" verticalAlignment="Middle"/>
<textFieldExpression><![CDATA[$F{jouranl_date}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="150" y="4" width="100" height="16" uuid="cf85e544-bef5-4e5b-9e73-7704a2bd4c5a">
<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="6c255841-3412-410f-a976-b3ec67868bc3"/>
</reportElement>
<textElement textAlignment="Right" verticalAlignment="Middle"/>
<textFieldExpression><![CDATA[$F{journal_ref}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="290" y="4" width="100" height="16" uuid="2b8664a2-652e-4426-9f8d-746286f7a12e">
<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="1f3fb198-93d5-4592-b33e-4a61a1a9513b"/>
</reportElement>
<textElement textAlignment="Right" verticalAlignment="Middle"/>
<textFieldExpression><![CDATA[$F{journal_line}]]></textFieldExpression>
</textField>
<subreport overflowType="Stretch">
<reportElement x="-18" y="13" width="30" height="7" uuid="64cc178b-58b5-4273-ad0d-ea75d2c2524e">
<property name="com.jaspersoft.studio.unit.height" value="px"/>
<printWhenExpression><![CDATA[new String("C").equals(($F{dr_or_cr}))]]></printWhenExpression>
</reportElement>
<subreportParameter name="dr_or_cr">
<subreportParameterExpression><![CDATA[$F{dr_or_cr}]]></subreportParameterExpression>
</subreportParameter>
<subreportParameter name="crncy">
<subreportParameterExpression><![CDATA[$F{crncy}]]></subreportParameterExpression>
</subreportParameter>
<subreportParameter name="amount">
<subreportParameterExpression><![CDATA[$F{amount}]]></subreportParameterExpression>
</subreportParameter>
<dataSourceExpression><![CDATA[new net.sf.jasperreports.engine.JREmptyDataSource()]]></dataSourceExpression>
<subreportExpression><![CDATA["payment_sub_report.jasper"]]></subreportExpression>
</subreport>
</band>
</detail>
<pageFooter>
<band splitType="Stretch"/>
</pageFooter>
<summary>
<band height="52" splitType="Prevent">
<staticText>
<reportElement x="232" y="22" width="100" height="30" uuid="3fcd32ad-45a6-4153-9d0e-2a7c9f9f44d8"/>
<text><![CDATA[Static Text]]></text>
</staticText>
</band>
</summary>
</jasperReport>
And here is the subreport
<?xml version="1.0" encoding="UTF-8"?>
<!-- Created with Jaspersoft Studio version 6.12.2.final using JasperReports Library version 6.12.2-75c5e90a222ab406e416cbf590a5397028a52de3 -->
<jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="payment_sub_report" pageWidth="549" pageHeight="30" columnWidth="549" leftMargin="0" rightMargin="0" topMargin="0" bottomMargin="0" uuid="aa23536f-b74a-40f9-911a-b1cbfad0a6a3">
<property name="com.jaspersoft.studio.data.defaultdataadapter" value="One Empty Record"/>
<parameter name="dr_or_cr" class="java.lang.String"/>
<parameter name="crncy" class="java.lang.String"/>
<parameter name="amount" class="java.math.BigDecimal"/>
<queryString>
<![CDATA[]]>
</queryString>
<background>
<band splitType="Stretch"/>
</background>
<title>
<band height="29" splitType="Stretch">
<property name="com.jaspersoft.studio.unit.height" value="px"/>
<textField>
<reportElement x="-12" y="4" width="100" height="16" uuid="ca02c58c-8c11-4354-9ebb-76a807062e46"/>
<textElement textAlignment="Center" verticalAlignment="Middle"/>
<textFieldExpression><![CDATA[$P{dr_or_cr}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="183" y="4" width="100" height="16" uuid="763524dc-97d5-4e40-9dee-ad53d2d11be2"/>
<textElement textAlignment="Center" verticalAlignment="Middle"/>
<textFieldExpression><![CDATA[$P{crncy}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="385" y="4" width="100" height="16" uuid="06f2e836-3420-4dff-b512-4ba837b0d1c6"/>
<textElement textAlignment="Center" verticalAlignment="Middle"/>
<textFieldExpression><![CDATA[$P{amount}]]></textFieldExpression>
</textField>
</band>
</title>
</jasperReport>
Moreover the subreport comes too much to the right inspite of placing it to the exteme left in the main report
The output is uploaded here in this link
https://drive.google.com/file/d/117lFxIBE34gVdl7WkaG9Y_G_3f-Vx79l/view?usp=sharing